The 365 Days of Astronomy

Space Stories - Chasing Cosmic Fireflies: A Guide to Transient Objects Jul 10, 2025

Hosted by Avivah Yamani.

The night sky isn’t still. It’s full of brief, brilliant flashes called transient objects. In this episode we explain what they are, why they matter, and how you can help chase them!

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Guide to Space - It Came From Deep Space! Jul 09, 2025

https://www.youtube.com/watch?v=IQtdQ94jy8I

From Oct 17, 2017.

Some comets orbit the Sun on a regular basis, but others come in from deep space, a region known as the Oort Cloud. What causes them to make this journey, and will we ever be able to explore the Oort Cloud?

Team: Fraser Cain - @fcain / frasercain@gmail.com

Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEIt...

Chad Weber - weber.chad@gmail.com

Chloe Cain - Instagram: @chloegwen2001

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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------------------------------------

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Ask A Spaceman Ep. 251: Are the Cosmic Voids Really Empty? Jul 08, 2025

The Total Emptiness of Cosmic Voids.

How do we actually define voids? Are there regions within them that are truly empty? What would it be like to be inside one? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Watch on YouTube: http://www.youtube.com/PaulMSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Don T, Steven W, Deborah A, Michael J, Phillip L, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Justin, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Chris, Michael S, Erlend A, James D, Larry D, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, Scott K, Vivek D, and Barbara C!

Hosted by Dr. Paul M. Sutter.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Astronomy Cast Ep. 762: Science in Crisis - NASA’s New Budget Jul 07, 2025

https://www.youtube.com/watch?v=wCPh_qSiV6E

Streamed live on Jun 30, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Normally we try to end the season on a high note. But there’s unfolding news that we just HAVE to cover before we leave you for the summer. NASA’s new budget is here, and it’s 25% smaller. We’ll cover what the changes are and try to understand the implications. It's a bad decade to be a researcher. We're going to look at why, and what US cuts will mean for the world.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Travelers in the Night Eps. 797 & 798: Recoveries & Destination Enceladus Jul 06, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From May 2024.

Today's 2 topics:

- It is essential that asteroid hunters keep track of potentially dangerous asteroids to make sure that their orbits haven’t changed as they encounter other objects in space to make them a threat to our home planet.

- Life on Earth appears to have formed in our oceans. Scientists are thus on the hunt for other worlds which have oceans of liquid water and thus potentially could be the home of fellow living creatures.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Guide to Space - First Ever Picture of a Baby Planet! Jul 05, 2025

https://www.youtube.com/watch?v=Xryd9cC8ZWU

From Jul 4, 2018.

For the first time ever, astronomers have captured a direct image of a newly forming planet orbiting around a newly forming star. It’s a stunning photograph, not only for the science and what was observed, but what it means the future of exoplanetary astronomy.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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------------------------------------

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

EVSN - 2 Tales of 2 decades: Rubin Observatory & SpaceX Starship Jul 04, 2025

From July 2, 2025.

Join us as we look at two parallel stories - the development of the Vera Rubin Observatory and the SpaceX Starship rocket. Both projects are 20 years in the making, and both were supposed to start work in 2019. Both hit new milestones in June, and it's time to review their very different progress. Also included in this episode: Tales from the launch pad.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Actual Astronomy - July Observer’s Guide Jul 03, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Actual Astronomy Podcast presents The Observer’s Calendar for July 2025. In this episode we talk about how to see Mercury, the Moon as it pairs with Spica, Antares, Saturn, Jupiter, several carbon stars and some deep sky objects like M6 & M7.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Awesome Astronomy - Vera Rubin, Welsh Satellites and LIGO Disaster - July Part 1 Jul 02, 2025

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

Brace yourselves! This is the longest podcast that 365 Days has ever had! 1 hour 34 minutes!

A bumper episode or is that a Jumper episode if Jeni has her way. Paul has new scope and Jeni has been seeing the Sun. We have terrible news from LIGO, the end of Milkomeda, Light pollution paradox, Vera Rubin first light, a new satellite from Wales, spaceX kablooie, leaks on the ISS and of course the usual skyguide and emails! Phew!

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Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

UNAWE Space Scoop - Tiny Black Holes Have Big Superpowers Jul 01, 2025

Black holes come in many sizes. Small, medium, large & extra large. The size of a black hole mostly depends on how massive the star was before it ran out of fuel, exploded as a supernova and collapsed under its own extreme gravity. The more massive the black hole, the stronger and larger its effect on the fabric of space and time.

Here’s the new bit! In a recent study, astronomers found that even tiny black holes have immense power to shape their part of the galaxy. Far more than previously thought. Black holes can rip apart a star that comes too close by. Even the tiniest black holes, known as stellar-mass black holes can do this.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Astronomy Cast Ep. 761: It's Here! The Vera Rubin Observatory Jun 30, 2025

https://www.youtube.com/watch?v=LVlbMsEpr8Y

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Streamed live June 25, 2025.

The time has come. The mighty Vera Rubin Observatory has finally come on line and delivered its “first light” images. And by Pamela’s rules that means we get to talk about it! So let’s do that! After decades of waiting, we have images from Vera Rubin Observatory!

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!

Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

Thank you! (Haven't donated? It's not too late! Just click!)

------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Travelers in the Night Eps. 323 & 324: Big Splash & Newborn Planets Jun 29, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From October 2024.

Today's 2 topics:

- To discover what would happen if an asteroid were to strike a large body of water, Dr. Galen Gisler led a team of scientists who used high performance computing facilities at Los Alamos National Laboratory to calculate and visualize a 3-D model of an asteroid entering the Earth's atmosphere over one of the world's oceans. These efforts won them the Best Visualization and Data Analytics Showcase award at Supercomputing 2016. Reality is that what happens depends upon the mass, size, speed, angle of approach, and composition of the impacting object. Galen's group of scientists documented the hunch that since an asteroid strikes the water at a single point, it only effects the immediate region around the impact point, whereas to create a tsunami, you need something like an under water landslide which disturbs an entire water column from the ocean floor to the surface.

- The ALMA radio telescope located in the Atacama desert of northern Chile is able to see the faint millimeter wave length glow emitted by gas molecules and dust particles in the disk of material surrounding the very young star named HD 163296. This solar system in formation is located about 400 light years away in the constellation of Sagittarius. HD 162396's age compared to our Sun is like that of a 3 day old human baby compared to a 65 year old adult.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

Thank you! (Haven't donated? It's not too late! Just click!)

------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Cosmic Savannah Ep. 71: The Dark Side of the Universe Jun 28, 2025

Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama.

In this milestone episode of The Cosmic Savannah, hosts Tshiamiso, Jacinta and Dan celebrate the start of Season Six and the podcast’s fifth anniversary.

They engage in an enlightening discussion with Associate Professor Renée Hložek from the Dunlap Institute, focusing on her research in dark matter, dark energy, and the cosmic microwave background. Highlights include the significance of science communication, diversity in STEM, and Dr. Hložek’s involvement with the Vera C. Rubin Observatory.

Join us once again in this 6th Season of The Cosmic Savannah and let us take you on a safari through the skies!

Story Collider Podcast Episode:

https://www.storycollider.org/stories/2016/1/1/renee-hlozek-who-looks-like-a-scientist

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

Thank you! (Haven't donated? It's not too late! Just click!)

------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

EVSN - When the Universe Attacks Jun 27, 2025

From June 18, 2025.

In this episode we celebrate the 75th anniversary of the Fermi Paradox by looking at a bunch of science capable of preventing and destroying civilizations. We also review our latest not-so-great attempts to land on the moon and launch a rocket that (if it worked) could carry us to Mars.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

Thank you! (Haven't donated? It's not too late! Just click!)

------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

H’ad Astra Historia - Ep. 205 – Memories of Ed Jun 26, 2025

Today Historical Astronomy Division, https://had.aas.org/, honors the late Dr. Edward C Stone with an episode of remembrances by his colleagues, friends, & family. Among his career achievements, he led NASA’s Voyager planetary-to-interstellar mission for 50 years as Project Scientist, from concept in 1972 through his retirement in 2022. Dr. Edward C Stone who passed away one year ago this month on June 9, 2024. During his 60-year career with JPL-Caltech (that included 10 years as JPL Director) Dr. Stone steered NASA’s Voyager planetary-to-interstellar mission for 50 years as Project Scientist, from concept in 1972 through his retirement in 2022. He “was known for his steady leadership, consensus building, and enthusiasm for engaging the public in science. He left a deep impact on the space community.”

H’ad astra historia is the official podcast for the Historical Astronomy Division of the American Astronomical Society. We’re here to share stories from and about the people who study the stars, planets, and the cosmos. We’ll be hearing from individuals who not only study the history of astronomy, but also those who lived it, who were “in the room” during pivotal events within the last 50 years or so.

Podcaster:

Loretta Cannon (an AAS affiliate via Rose City Astronomers) is a science-and-word-nerd who really likes the stars. She quite enjoys working as HAD’s podcaster, bringing astronomy stories to you.

Podcast music: "Frost Waltz" Kevin MacLeod (incompetech.com), licensed under creative commons: by attribution 4.0 license (http://creativecommons.org/licenses/by/4.0/)

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Cheap Astronomy - Dear CA #120: Different Perspectives Jun 25, 2025

Hosted by Steve Nerlich.

Looking askance…

Dear Cheap Astronomy – have we got any spacecraft on the other side of the Sun?

Well, yes and no. Nearly all our spacecraft orbit the Sun – since they are either orbiting Earth or another planet or are touring the asteroid belt – and hence they’ve all been around the back of the Sun at one time another. The only spacecraft we don’t have orbiting the Sun are the ones on their way out of the Solar System – the Pioneers, the Voyagers and New Horizons, which have sufficient escape velocities to leave solar orbit.

Dear Cheap Astronomy – Hubble crisis

So there’s a crisis in cosmology apparently. Although, in most respects it’s just business as usual really. There aren’t many scientists who are overwhelmed by existential angst when they suddenly realize they don’t know everything. The crisis first started being talked around 2014 as it became apparent there consistent discrepancies in measurements of the Hubble constant, which is a measurement of how fast the Universe is expanding.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Exoplanet Radio Ep. 37: Osiris: The Exoplanet That Changed Everything Jun 24, 2025

https://www.youtube.com/watch?v=Spo0dppFX9w

Hosted by Tony Darnell.

From Oct 2, 2023.

The planet is HD 209458 b, and nicknamed "Osiris" after the Egyptian god of the underworld. Osiris is a fitting nickname for this planet, as it is a very hot and hostile world. HD 209458 b orbits its star very closely, and its surface temperature is estimated to be around 1,000 degrees Celsius. This makes it too hot for liquid water to exist on its surface, and it is unlikely to be habitable. Even so, this planet is remarkable in many ways. It occupies first place in a long list of discovery milestones.

Get all episodes: https://exoplanetradio.com

Music by Geodesium: https://lochnessproductions.com

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Astronomy Cast Ep. 760: What to Look For This Summer Jun 23, 2025

https://www.youtube.com/watch?v=9hG8Q3ZSX50

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Streamed live on Jun 16, 2025.

It’s almost time for our annual summer hiatus, but before we go, we wanted to direct you towards all the fun and space stuff we’ll be enjoying this summer. We’ve got meteor showers, planets, rocket launches, TV shows, movies! Here’s what’s good.

In a couple of weeks, we'll go on hiatus, but we want to make sure you are ready for stuff we can anticipate happening.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos. https://www.patreon.com/AstronomyCast

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!

Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

Thank you! (Haven't donated? It's not too late! Just click!)

------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Travelers in the Night Eps. 321 & 322: Dangerous Comet & Dust Stories Jun 22, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From September 2024.

Today's 2 topics:

- Protection against a comet strike is worth considering. Every year, if we are lucky, several comets can come close enough for the Sun to warm and us to see the beautiful changing dust and gas clouds around them with binoculars or our unaided eyes. So far asteroids have gotten most of the attention as dangerous celestial neighbors, however, Dr. Joseph Nuth, a researcher at NASA's Goddard Space Flight Center in Greenbelt, Maryland recently pointed out "Comets can also deliver a heaping helping of calamity to Earth, and scientists and policymakers alike should start taking measures to combat the threat".

- Collect your own beautiful micro-meteorite sample.

It is estimated that several hundred thousand pounds of left over particles from the formation of our solar system enters the Earth's atmosphere every day with perhaps 10% of the of the total reaching the surface of our home planet. The individual grains of cosmic dust or micro-meteorites as they are also called range in size from the diameter of a human hair to twice the thickness of a dime.

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ASTROMAN - The Dark Sky Messenger: A Beginner’s Guide to Night Sky Photography Jun 21, 2025

Episode 6.

“ASTROMAN: the Dark Sky Guardian” is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovation, inclusive science communication, and STEAM Education by integrating science and arts.

Exodus CL Sit, also known as the ASTROMAN, is a transmedia astronomy educator, popular science author, STEAM educator, and science communicator in Hong Kong. He is recently the National Astronomy Education Coordinator (Chair of Hong Kong, China) of the International Astronomical Union and President of Starrix. He was also an International Committee Member of the Dark Sky International, regularly organizing public lectures at the Hong Kong Space Museum and the Hong Kong Science Museum. He was also the author of a popular science book “Decoding the Starry Night: A Guide to Stargazing and Astrophotography”.

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EVSN - Black Hole Caught Eating Faster Than Normal Jun 20, 2025

From June 28, 2022.

With a little bit of luck and a lot of time on different telescopes, researchers managed to capture the black hole in the center of the Milky Way, SgrA*, consuming matter at a faster rate than usual. Plus, Australia launches a rocket, a couple of Mars stories, and strange glaciers on Earth.

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Actual Astronomy - The Chiricahua Sky Village Jun 19, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Actual Astronomy Podcast presents The Chiricahua Sky Village. In this episode we talk with Peter Monson who has a well established observing site at the Sky Village in Arizona. We discuss the dark skies, weather conditions, facilities and how people set up their lots as well as how folks interested in getting a site of their own can become involved.

Concluding Message: Please subscribe and share the show with other stargazers you know and send us show ideas, observations and questions to actualastronomy@gmail.com

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Cheap Astronomy - Dear CA #119: Out There! Jun 18, 2025

Space travel or the lack thereof.

Hosted by Steve Nerlich.

Dear Cheap Astronomy – Interstellar trade

As regular listeners are aware, here at Cheap Astronomy, we think faster than light travel just ain’t going to happen. That limits your trade options a good deal if our potential alien trading partners are anywhere up to a hundred light years or more away.

Dear Cheap Astronomy – Why aren’t we doing more with artificial gravity

Good question. As we’ve discussed on this podcast and as others have discussed on pretty much every space-related podcast there is, zero gravity – OK, microgravity – is really bad for you. Your bones dissolve, your muscles wither, your cardiovascular system is deconditioned, your eye geometry changes and if that’s not bad enough your face gets all puffy too.

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Ask A Spaceman - Constants of Nature Part 2 Jun 17, 2025

Episode 250.

Part 2 of 2! What are the modern constants of nature? Is the Universe fine-tuned for life? Does the multiverse or string theory explain the origins of the constants? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Watch on YouTube: http://www.youtube.com/PaulMSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Don T, Steven W, Brian O, Deborah A, Michael J, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Justin, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Chris, Michael S, Erlend A, James D, Larry D, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, Scott K, Vivek D, and Barbara C!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 759: The Commercial Space Program Jun 16, 2025

https://www.youtube.com/watch?v=clLLqzWyT-Q

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Streamed live on Jun 9, 2025.

Humanity has turned its focus back to the Moon, sending a fleet of spacecraft to the lunar surface. Some are run by the government, but there’s a whole new group of commercial landers bearing instruments to the lunar surface. Is this the future of lunar exploration? Space used to be a place occupied by government-funded and military missions, but today, we're seeing the rise... and fall (somersault, crash, and explosion) of missions with commercial design and funding. Let's talk about how this is good, bad, and maybe just too soon.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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Travelers in the Night Eps. 319 & 320: Lost and Found & WOW! What a Ride! Jun 15, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From September 2024.

Today's 2 topics:

- When asteroid hunters follow an object in the night sky for a few hours or a couple of days they are only able to observe a snippet or tracklet of the object's hundreds to thousands of days long path around the Sun. If we only have a short sample of an orbit we loose precision to locate the object as the length of time since the last observation increases. It is thus possible to lose the knowledge of where to find a particular asteroid.

- It's a good thing this one will miss Earth! Riding the surface of the asteroid that my Catalina Sky Survey teammate Richard Kowalski recently discovered would be an incredible experience.

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NOIRLab - Messengers of Time and Space Jun 14, 2025

NSF NOIRLab, funded by the U.S. National Science Foundation (NSF), has released the fulldome planetarium show, Messengers of Time and Space. This free-to-download production brings the combination of the International Gemini Observatory, funded in part by NSF and operated by NSF NOIRLab, and NSF–DOE Vera C. Rubin Observatory, funded by NSF and the U.S. Department of Energy's (DOE) Office of Science and jointly operated by NOIRLab and DOE’s SLAC, to the forefront of humanity’s quest to understand our ever-changing cosmos. This podcast discusses the production process of this planetarium show and tells listeners where how they can view the show.

Bios:

- Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab in Tucson, Arizona.

- Peter Michaud is a member of the Communications, Education and Engagement group at Gemini Observatory in Hawaii.

- Ron Proctor is an experienced science communicator and immersive media producer specializing in astronomy data visualization. With a background in planetarium education and a deep knowledge of Blender, Ron transforms complex scientific discoveries into compelling visual experiences for planetarium domes, Science on a Sphere, media releases and public outreach. Currently at NSF NOIRLab, Ron leads the creation of 360º content and tools that bring cutting-edge research to general audiences. Ron's work bridges the gap between scientists and the public, driven by a passion for storytelling, education, and technological innovation.

Links:

NOIRLab Press Release: https://noirlab.edu/public/news/noirlab2518/

Messengers Of Space And Time Download: https://noirlab.edu/public/videos/messengers/

NOIRLab social media channels can be found at

https://www.facebook.com/NOIRLabAstro

https://twitter.com/NOIRLabAstro

https://www.instagram.com/noirlabastro/

https://www.youtube.com/noirlabastro

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EVSN - Moon Rock Samples Show Signs of Late Volcanism Jun 13, 2025

From October 7, 2021.

An analysis of the most recent sample taken from the Moon and returned by the Chang’e-5

mission shows that the basaltic rock is about two billions years old. This age implies a previously unknown heat source in the region. Plus, how plants and animals record climate change, and this week’s What’s Up.

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Awesome Astronomy - June Part 1: Lancing Galaxies and Angry Emails Jun 12, 2025

Paul Hill, Ralph Wilkins and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

This month we have Galactic sized lancing battles, Jupiter twice its size, Wales entering the space race and we have emails! Oh we have emails!

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Big Impact Astronomy - TRIBU Guadalajara Jun 11, 2025

TRIBU Cultura Astronómica is an organization dedicated to the dissemination of astronomy and scientific culture. It is an organization dedicated to boosting awareness of the Universe through astronomical experiences.

- We facilitate astronomical observation experiences with telescopes and specialized guides that take you on an adventure through the cosmos.

- Learning spaces directed to all public audiences to learn about the Universe. In addition we facilitate content, activities and strategies for teaching astronomy.

- We provide downloadable audiovisual content of scientific disclosure centered on the learning of astronomy to pique your interests in science.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed. Mike Simmons, host of Big Impact Astronomy, has a 50-year history of leading astronomy organizations and projects, the last 25 years internationally. Astronomy has taken him around the world where he’s connected with the subjects of Big Impact Astronomy, seen their impact, and heard their stories. These are personal journeys for both the host and the guests.

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Exoplanet Radio - The Importance Of Gliese 581g Jun 10, 2025

https://www.youtube.com/watch?v=M6_HooIJLNc

From Oct 12, 2010.

The fact that we've found a habitable planet candidate so soon after starting our search has important implications for the number of habitable planets that may exist in our galaxy - which was estimated to be around 10 billion.

Having found Gliese 581g so soon though, may mean one of two things. Either we were very lucky, or there are more planets out there than we thought. Based on this discovery, it's possible that we may have many more habitable planets than originally thought.

Perhaps 20 to 30 billion stars in our galaxy may have conditions suitable for life.

Music used:

https://archive.org/details/brokenkites_ctrl_alt_rmx

https://archive.org/details/Conventional_Space

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Astronomy Cast Ep. 107: Nucleosynthesis - Elements from Stars Jun 09, 2025

From September 22, 2008.

Look around you. Breathe in some air. Everything you can see and feel was formed in a star. Today we’ll examine that long journey that matter has gone through, forged and re-forged in the hearts of stars. In fact, the device you’re using to listen to this podcast has some elements formed in a supernova explosion.

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Travelers in the Night Eps. 317E & 318E: Psyche Water & Caves of Mars Jun 08, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From August 2024.

Today's 2 topics:

- The asteroid Psyche may be one of the most expensive pieces of real estate in the solar system. It is a small world about 116 miles in diameter and is composed of almost pure nickel-iron metal. It is located in the asteroid belt between Mars and Jupiter. Scientists find evidence that Psyche may be the exposed core of a planet which was destroyed by collisions as it was trying to form long ago.

- Presently the surface of Mars is very dry and any liquid water that reaches it quickly boils away since the martian atmospheric pressure is what you could experience in your space suit 30 to 50 miles above the Earth's surface. However, since the martian gravity is about 1/3 that of the Earth, it's crust is less dense and more porous than what we find on our home planet.

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Deep Astronomy - Planetary Environments & Health Risks Jun 07, 2025

https://www.youtube.com/watch?v=Cil0v7dIkgc

Hosted by Tony Darnell.

From July 6, 2017.

If we send humans to Mars, will they be able to survive? How hostile is the solar system for human exploration? The Mars environment presents many challenges to human survival and long-term residence. In addition to radiation, unbreathable atmosphere, and dust storms, surviving alien microorganisms can present a health risk.

The US Congress has directed NASA to plan for a human mission to Mars. A critical element of the planning is to ensure the health and safety of astronauts travelling to, working on, and returning from the Red Planet.

Join Tony Darnell, Dr. Harley Thronson and Dr. Alberto Conti as they explore with Dr. Arnauld Nicogossian (George Mason University), Dr. Catharine A. Conley (NASA Planetary Protection Officer) and Professor Charles Doarn (University of Cincinnati) the challenges of living and working on Mars.

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EVSN - Happy Space News! Jun 06, 2025

From May 21, 2025.

This week, we take a closer look at the weirdly twisty search for a possible planet in our outer solar system. We'll also take in the happy science of aurorae here, at Jupiter, and over Neptune, as well as a bunch of weird discoveries that has some people screaming "It's Aliens!" (it's not aliens).

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Actual Astronomy - June Observer’s Calendar Jun 05, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Observer’s Calendar for June 2025 on Episode 485 of the Actual Astronomy podcast. I’m Chris and joining me is Shane. We are amateur astronomers who love looking up at the night sky and this podcast is for everyone who enjoys going out under the stars.

June 1 - Venus at greatest elongation in morning sky 46-degrees from Sun.

Mars is still 30-degrees up but just over 5 arc seconds when the month begins.

June 3 - first quarter Moon

June 4 - Lunar Straight Wall Visible this evening

June 5 - Eye of Clavius visible on Moon

June 6 - after midnight on 5th - Moon and Spica - in 5- degree field for central NA and West

June 8 - Mercury and Jupiter dance at dusk

June 11 - Full Moon

June 16 - Mare Orientale visible

June 18 - Last Quarter Moon

18 & 19 - Moon Neptune and Saturn

June 21 - Solstice

Be sure to look for noctilucent clouds

June 25 - New Moon - young moon visible for some

NGC 6231 Well Placed this week

June 27 - Mercury & Moon + Castor & Pollux

No bright comets for the month.

Concluding Message: Please subscribe and share the show with other stargazers you know and send us show ideas, observations and questions to actualastronomy@gmail.com

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Awesome Astronomy - We've Discovered At Least 5,000 Planets! Jun 04, 2025

https://www.youtube.com/watch?v=ByfigQW-6Mk

Ralph Wilkins and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

From Jan 28, 2022.

Taking a look at how over the last 40 years we went from only knowing of the handful of planets in our solar system to knowing of around 5,000 planets littering the galaxy.

How have we discovered new planets?

How many are there?

How many stars have planets around them?

Are there star systems with multiple planets like our solar system?

Do we see the diversity of large gassy, small rocky and ringed planets around other stars?

And the big one - are any of them habitable?

Find out in this episode!

But please do help us out by subscribing to the show:

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Ask A Spaceman Ep. 249: Where Do the Constants of Nature Come From? Part 1 Jun 03, 2025

Part 1 of 2!

How do fundamental constants appear in physics? Why are they so important? Why do we care where they come from? I discuss these questions and more in today’s Ask a Spaceman!

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Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Don T, Steven W, Brian O, Deborah A, Michael J, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Justin, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Chris, Michael S, Erlend A, James D, Larry D, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, Scott K, Vivek D, and Barbara C!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 758: Non-Roving Rovers Jun 02, 2025

https://www.youtube.com/watch?v=k6p03D1iaMw

Streamed live on May 26, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Some of our favorite robots are rovers currently roving around the surface of the Moon & Mars. But there’s some pretty tricky terrain out there and engineers are scheming up clever ways to explore other worlds inspired by life that crawls, slithers, hops and flies. As we explore more surfaces and more complex surfaces throughout the solar system, mission teams are designing robot explorers that don't sit still and also don't rove. In this episode, we're going to take a look at the new technologies that are allowing technology to get around.

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Travelers in the Night Eps. 315 & 316: See Comets & Weird Centaur Jun 01, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From January 2017 & August 2024.

Today's 2 topics:

- 2017 will be (was) a good year to view comets with your unaided eye or a pair of binoculars.

- My Catalina Sky Survey teammate Richard Kowalski was surprised to find a moving point of light on some his images which was more than 50 times brighter than a typical Earth approaching object he observes. He was even more amazed when it was not cataloged as a known object and he reported his observations to the Minor Planet Center.

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UNAWE Space Scoop - Could This Be One of the Strangest Planets Ever Found? May 31, 2025

https://spacescoop.org/en/scoops/2507/could-this-be-one-of-the-strangest-planets-ever-found/

Recently, a team of astronomers found a new exoplanet, called 2M1510 (AB) b, that really surprised them. This new exoplanet is special — its orbit looks more like a Ferris wheel!

It goes up and over the top rather than around the side, traveling at a right angle to the carousel-like path we normally find. But having an unusual orbit is only part of the puzzle, and to see just how odd our new exoplanet is we also need to look at its stars.

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EVSN - A Failing Look at Earth, a First Look at Other Worlds, & More May 30, 2025

From May 19, 2025.

In this week’s closer look we are going to look at the earth-facing missions that are getting dragged down by our atmosphere and will be forcibly retired by physics in the next few years, again with no replacements in the works. These missions allow us to do long term monitoring of our planet, its atmosphere, and the variables that help us understand everything from weather to climate change. We also look at cool new exoplanet discoveries, the beautiful death of a star, and tales from the launch pad.

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Cheap Astronomy - Dear CA Ep. 118: Reflections May 29, 2025

Self-consciousness.

Dear Cheap Astronomy – Selfies in space.

Buzz Aldrin claims to have taken the first selfie in space in 1966, where he fixed a Hasselblad camera on the hull on Gemini 12 and then leant back before triggering the camera. Later on, in 1969, Neil Armstrong took an accidental selfie – the only still photo of him on the Moon where he and his camera are reflected in Buzz Aldrin’s visor.

Dear Cheap Astronomy – Is Hawking Radiation real?

Long-term listeners are probably familiar with Cheap Astronomy’s tendency to go a bit ranty in the face of any unreasonable acceptance of cosmology hypotheses. So, for example, the Universe is not only expanding but that expansion is accelerating. Sounds extraordinary, but there’s sound observational evidence to back it up.

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Big Impact Astronomy - Atiyah Alhasadi Interview May 28, 2025

Atiyah Alhasadi of Derna, Lybia, is the STEM Projects Trainer and Chairman of Roaya for the Astronomy and Space Applications Foundation. He is an experienced teaching assistant with a demonstrated history of working in higher education. Skilled in English, teamwork, Physics, Research, and Astronomy. He is a strong education professional with a Bachelor of Science - BS focused in Physics from Omar Al Mukhtar University.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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Exoplanet Radio - Biosignatures: The Search for Life Beyond Earth May 27, 2025

From September 20, 2023.

Hosted by Tony Darnell.

Episode 39.

In recent years, scientists have made great strides in the search for extraterrestrial life. They have discovered thousands of exoplanets. And some of them are located in the habitable zone of their star, which means that liquid water could exist on their surface and is essential for life as we know it.

The search for life however, is a little more involved than finding planets, measuring their location and distance around the star and figuring out their location within a habitable zone. Astronomers need more information to learn if life may be there.

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Astronomy Cast Ep. 757: CubeSats May 26, 2025

https://www.youtube.com/watch?v=qhkGB7FsMeA

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Streamed live on May 19, 2025.

Computers are getting smaller, faster and more capable, which has enabled an entirely mew class of satellites: CubeSats. A mission small enough that you can hold it in your hands, and yet powerful enough to even travel to other planets and send messages home.

Every year, our electronics seem to get smaller and more powerful, with today's smart watches being more fully featured than the computers Pamela and Fraser had as little kids. These tiny processors, sensors, and transmitters are allowing tiny satellites with powerful functionality, and today we take a look at how this is changing space exploration.

SUPPORTED BY YOU

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Travelers in the Night Eps. 795 & 796: Spiral Comet & Comet C/2024 E1 (Wierzchoś) May 25, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From May, 2024.

Today's 2 topics:

- Comet 12P/Pons-Brooks comes near the Sun once every 71 years. It was discovered in 1812 by Jean Louis Pons at Marseilles, France and then rediscovered by American Astronomer William Robert Brooks in 1883. Electronic cameras reveal this comet's nucleus has jets of gas that produce a spiral structure not unlike water jets from a lawn sprinkler.

- On the 3rd of March 2024 while asteroid hunting with our 60 inch telescope on Mt. Lemmon , Arizona my Catalina Sky Survey teammate Kacper Wierzchoś discovered a comet moving through the constellation of Draco.Since we don’t know Kacper’s comet’s chemical composition it is impossible to accurately predict how. bright it will be as it crosses the Earth’s orbit December 12, 2025, rounds the sun January 20, 2026, and crosses our orbit again February 27, 2026.

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Cosmic Savannah Ep. 70: Season 5 in Review May 24, 2025

Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama.

The band is back together! In this episode Jacinta, Tshia and Dan sit together in the cupboard once again to catch up and to reflect on Season 5.

Dan discusses his travels to Ethiopia while Tshia regales us with tales of her VIP treatment on her visit to China. Jacinta impresses with her carbon conscious travels to the Garden Route.

During the episode the hosts discuss their favorite episodes from the season as well as some exciting news on what we can expect from the upcoming season 6.

From The Cosmic Savannah team we would just like to thank all of our amazing guests that have appeared on Season 5 for their time and for telling us about the amazing work they all do. The Cosmic Savannah Team also want’s to give a huge thanks to all of the volunteers that make this podcast possible!

Join us for this relaxed and entertaining episode of The Cosmic Savannah.

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EVSN - Cosmic Mystery Solved & Stellar Missing Link Discovered May 23, 2025

From November 19, 2020.

Today’s top story focuses on the Blue Ring Nebula, which researchers say is the phase of a star merger never seen before, providing the missing link for merger progression. Plus, stories on Mars, laboratory supernovae, Steve (no, really), JUICE, gravity waves and Enceladus.

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Guide to Space - What Has The Curiosity Rover Discovered? A Collaboration With Joe Scott May 22, 2025

https://www.youtube.com/watch?v=YxIPNXF6Kxc

From Feb 20, 2018.

All Hail Curiosity!

Consider the fact that right now, there’s an SUV-sized rover crawling around the surface of Mars, zapping rocks with its laser, scooping and sampling material, and generally giving us the best view we’ve ever seen from the surface of the Red Planet.

NASA’s Curiosity Rover has been on the surface of Mars since 2012, following the story of water. When did it first show up on Mars, and was it there long enough to support the biology of life?

In its 5 years and counting of exploration, Curiosity has pushed our understanding of the Red Planet forward, and paved the way for the next generation of gigantic, nuclear powered rovers headed to Mars to search for life itself.

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Awesome Astronomy - JWST & Square Kilometre Array with Chris North May 21, 2025

https://www.youtube.com/watch?v=HeOVh7ck3D821

Paul Hill, Ralph Wilkins and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

From Dec 28, 2021.

Our chat with Dr. Chris North from our live show to ease the boredom of covid lockdowns.

We ask Chris astronomy questions from our listeners:

• Why are astronomers so sure that the recent interstellar comet came from outside the solar system

• Which is going to be the most exciting telescope, the James Webb Space Telescope or the Square Kilometer Array?

• What is the most exciting discovery we can expect from the James Webb Space Telescope and the Square Kilometer Array?

• How the James Webb Space Telescope and Square Kilometer Array will work.

Chris North is a Senior Lecturer in the School of Physics and Astronomy at Cardiff University and host of the Pythagorean Astronomy podcast at pythagastro.uk. Chris is Director of Recruitment and Admissions and the Head of Public Engagement. Working on public engagement in print and TV, education and data visualization for a range of projects, most notably the Gravity Exploration Institute.

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Ask A Spaceman Ep. 248: What’s Going On Inside Neutron Stars? May 20, 2025

What’s inside a neutron star? What strange states of matter do we encounter? And what mysteries will we find deep in the core? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

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Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Don T, Steven W, Brian O, Michael J, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Justin, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Chris, Michael S, Erlend A, James D, Larry D, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, Scott K, Vivek D, Deborah A, and Barbara C!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 756: SphereX May 19, 2025

https://www.youtube.com/watch?v=72JAZYgqchs

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Streamed live on May 12, 2025.

NASA’s newly launched SphereX mission is up & operational and has completed its initial checkout and “first light”. Everything looks good! And now it’s starting its science operations. And that’s good enough for Pamela! And THAT means we can talk about it. So let’s do that! There's a new space telescope in town (or at least in LEO). Let's check out what it's looking at and looking to do.

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Travelers in the Night Eps. 793 & 794: Close Space Rock & An Apollo Space Rock to Follow May 18, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From April 2024.

Today's 2 topics:

- Perhaps the most dangerous Amor asteroid is 2006 HZ51 .It was discovered by my team the Catalina Sky Survey. Fortunately the closest 2006 HZ51 will come to our home planet is June 11 of 2116 when it will pass us harmlessly 26 times the distance to our moon away from us.

- Recently my Catalina Sky Survey teammate Vivian Carjaval was asteroid hunting in the constellation of Ursa Minor with our Schmidt telescope on Mt. Bigelow when she discovered, 2024 BR4, a two football field diameter Earth approaching asteroid.Vivian’s Apollo asteroid discovery poses no threat to humans since 2024 is as close as it will come to Earth in the next few hundred years.

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ASTROMAN: The Dark Sky Guardian - Aurora Hunting in the Polar Regions During the Solar Maximum May 17, 2025

“ASTROMAN: the Dark Sky Guardian” is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovation, inclusive science communication, and STEAM Education by integrating science and arts.

Exodus CL Sit, also known as the ASTROMAN, is a transmedia astronomy educator, popular science author, STEAM educator, and science communicator in Hong Kong. He is recently the National Astronomy Education Coordinator (Chair of Hong Kong, China) of the International Astronomical Union and President of Starrix. He was also an International Committee Member of the Dark Sky International, regularly organizing public lectures at the Hong Kong Space Museum and the Hong Kong Science Museum. He was also the author of a popular science book “Decoding the Starry Night: A Guide to Stargazing and Astrophotography”.

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EVSN - Iceland Has a New Volcanic Fissure Erupting in Fagradalsfjall May 16, 2025

From March 30, 2021.

After much “will it / won’t it” over the last few weeks in the wake of increased (and then decreased) seismic activity, an eruption in Iceland finally started with a brand new fissure near Fagradalsfjall. No lives are threatened, so Pamela is ecstatic. Plus, arctic methane, a new basalt type, spiders on Mars, Titan’s atmosphere, and an interview with PSI scientists Dr. Nick Castle and Dr. Georgiana Kramer about volcanoes.

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Actual Astronomy - Affordable Wide Field with Brian Ventrudo May 15, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

Episode 483!

Today we have a returning Special Guest, though it’s been a while.

Dr. Brian Ventrudo is author the Cosmic Pursuits web page and a contributing editor for S&T. He has a Ph.D in Laser Spectroscopy and helped measure the fingerprints of the molecules found in interstellar space and planetary atmosphere.

In an email Brian mentioned the TV NP127 being a dream scope…which is remaining just a dream for the time being. But why is the NP 127 such a fantastic design?

- Fast, flat field, reasonably portable etc.

- What have you configured on the cheap? 120mm, mount eyepieces etc.

- Wide field eyepieces and the TS Flat2? Field curvature.

- My love from 80mm f5 to apo to giant achromats.

- 80% or more of my observing is not the 5 objects that show color, Moon, M, V, J, S

- Binoculars, budget 80mm/102mm ED refractors, lower-cost eyepieces, mounts and so forth.

- Wide Field Objects to Observe: Multiple objects in the same field, whether it’s just the Moon and a planet in binoculars or the Sword of Orion in winter or the Lagoon & Trifid regions and star clouds of summer, Kemble’s Cascade and NGC 1502.

Patreon support thank you’s to Leonid, Matt, Joseph and Ernest

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Guide to Space - What If We Do Find Aliens? How Prepared Is Earth For Meeting Extraterrestrials? May 14, 2025

https://www.youtube.com/watch?v=Qtz1wQT1wO8

From Nov 24, 2016.

We've been so busy wondering how we'll find aliens that we never stopped to consider what we'll do if we actually encounter them. How does an alien discovery get communicated to the media? Who's responsible to craft a response?

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Exoplanet Radio Ep. 36: A Glimpse into the Early Stages of Planetary Evolution May 13, 2025

From September 14, 2023.

Hosted by Tony Darnell.

Deep in the cosmos, NASA's Transiting Exoplanet Survey Satellite (TESS) has discovered four new worlds orbiting a pair of young stars. These planets are providing scientists with a glimpse into a little-understood stage of planetary evolution - the time when atmospheres are being formed.

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Astronomy Cast Ep. 755: Intermediate Mass Black Holes May 12, 2025

https://www.youtube.com/watch?v=QaMNrTyBIWk

Streamed live on May 5, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay.

There are stellar-mass and supermassive black holes. But very little evidence of anything in between. Where are all the intermediate-mass black holes that should be the building blocks of the biggest ones? Actually, the science has been accelerating rapidly and we now know of hundreds of them. The question marks in our understanding are slowly getting replaced with data. Let's review what we now know about intermediate mass black holes and their origins.

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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Travelers in the Night Eps. 791 & 792: A Fireball and Its Gifts & Closest Approaching Comet May 11, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From April 2024.

Today's 2 topics:

- It all started when Krisztián Sárneczky at the Konkoly Observatory near Budapest, Hungary reported the position and brightness of an unknown asteroid rapidly moving through the constellation of Lynx. Three hours later , the object, now called 2024 BX1 exploded harmlessly in our atmosphere.

- P/1999 J6 (SOHO) was discovered 10 May 1995 by Mike Oates as part of the Citizen Science Sun Grazer Project in which volunteers from all over the world have the chance to discover a comet in images taken by the Solar and Heliospheric Observatory or SOHO for short.RADAR studies of the daytime Arietid ( AIR-ee-uh-tids) meteor shower stream which peaks every June 7 indicates that P/1999 J6 (SOHO) could be one of the potential parent objects.

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Cheap Astronomy - Dear Cheap Astro #117: The Dark Side May 10, 2025

Hosted by Steve Nerlich.

Stumbling around in the dark again.

What is the latest on dark matter?

Well, there’s not much new to report here. The nature and composition of dark matter remains unknown, but the likelihood that there is vast amount of non-interacting, invisible and gravity-inducingly material remains high.

Are black holes the source of dark energy?

To give you the full story, someone sent a link to an article that claims that black holes are the source of dark energy, along with their actual question which was 'this is just bollocks isn't it’?

And yes, it would seem so. Firstly, to properly unravel the story, we should start by acknowledging that Cheap Astronomy thinks the whole dark energy concept is a bit meh. But leave that all to one side…

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EVSN - Astronomers Discover 63 Galaxies in Protocluster May 09, 2025

From October 29, 2021. (Halloween)

Astronomers researching the G237 protocluster find 63 galaxies within, all producing stars and more galaxies at a high rate, acting as a “shipyard” for their region of the cosmos. Plus, Juno looks inside Jupiter’s cloud bands and a review of “Invasion” on AppleTV+

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Awesome Astronomy - AstroCamp Spring 2025! May 08, 2025

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

We come at you with all the fun of AstroCamp in Cwmdu, Wales.

Chat, debate and birdsong!

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Big Impact Astronomy - Kevin Govender May 07, 2025

Dr. Kevin Govender is the director of the Office of Astronomy for Development and the joint recipient of the Edinburgh Medal together with the International Astronomical Union (IAU). The award was presented in recognition of the creation and practical establishment of the IAU Office of Astronomy for Development.

He was born in South Africa, and was trained as an experimental nuclear physicist.[2] He held the post of Manager of the Southern African Large Telescope's Collateral Benefits Programme at the South African Astronomical Observatory, and was appointed director of the Office of Astronomy for Development in 2011.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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Ask A Spaceman Ep. 247: Is There Any Other Way to Make Black Holes? May 06, 2025

How do we explain the giant black holes appearing in the young Universe? Is it possible to directly collapse a black hole, skipping the formation of stars? What does ultraviolet radiation have to do with this? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Watch on YouTube: http://www.youtube.com/PaulMSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Don T, Steven W, Brian O, Michael J, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Justin, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Chris, Michael S, Erlend A, James D, Larry D, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, Scott K, Vivek D, Deborah A, and Barbara C!

Hosted by Dr. Paul M. Sutter.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Astronomy Cast Ep. 754: K2-18b May 05, 2025

https://www.youtube.com/watch?v=z34YkwKA6N0

Streamed live on Apr 28, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

You’ve heard the news! Astronomers are reporting the discovery of biosignatures at K2-18b. Is this proof of life or should we all be more skeptical? It's in the news and people are claiming aliens... but is it aliens? Let's see what the data actually says.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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Travelers in the Night Eps. 789 & 790: Asteroid With A Tail & Vivian's Debut May 04, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From March 2024.

Today's 2 topics:

- My Catalina Sky Survey teammate Josh Hogan was asteroid hunting in the constellation of Taurus with our 60 inch telescope on Mt. Lemmon, Arizona when he came across a very curious object. It has an orbit like an ordinary main belt asteroid. However, amazingly it has a tail extending some 19,000 miles out from a few mile diameter central object.

- My new Catalina Sky Survey Teammate Vivian Carjaval was scheduled for three 13h long winter nights for her first solo observing run on our Schmidt telescope on Mt. Bigelow, Arizona. As luck would have it she couldn’t observe the first night because of high winds and blowing snow, while on the second night she was treated to lots of clouds under a bright moon, however, on the third night the Universe treated her to a clear night and sent two unknown Earth Approaching asteroids her way.

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Last Minute Astronomer - May Episode May 03, 2025

I’m Rob, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare. We’ll start by talking about this month’s big events, then highlight the naked eye planets, and finish up with the lunar phases, so you can plan ahead better than me.

5th – ETA AQUARID METEOR SHOWER – Around 10-20 meteors per hour if we’re lucky, the Eta Aquarids are a minor shower that favors those in the southern hemisphere. The best time this year is after midnight (when the Moon sets) and before dawn. Just remember each meteor is a piece of debris left over from Halley’s comet, and we’re crashing into it at over 100,000 miles per hour, which crushes the atmosphere it hits, heating it up and causing the bright flash. You never know when you’ll see something awesome!

Some advice for watching:

Find a dark location and lie down in a reclining chair or something that insulates you from the ground.

Check the weather to see if the skies will be clear

Adapt your eyes to the dark by staying away from light sources or using a red light if you need to look at a star chart or not trip over something.

Naked-eye PLANETS

Sunset:

Jupiter - About 30˚ up the sky in the W after sunset, above Taurus’ head, in between its horns, setting around 11pm. Later in the month, Jupiter is lower in the sky and sets around sunset.

Mars - Almost straight above us after sunset, but toward the SW, between Gemini and Leo (in Cancer), setting by 2am. Throughout the month, Mars will move away from Cancer and toward Leo, a little lower in the sky, setting around 1am.

Music was produced by Deep Sky Dude and used with permission.

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EVSN - Federal Budget Cuts: An Extinction-level Event May 02, 2025

From April 24, 2025.

This week we look at how the elimination of science programs, projects, datasets, and funding may be shaping into an extinction-level event for US Space-related sciences. Come cry with us.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Actual Astronomy - The Observer’s Calendar for May May 01, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

Episode 480:

May 2 - Vesta at Opposition

May 3 - Mars Moon and Beehive

May 4 - First Quarter Moon - Lunar X visible on Moon.

May 5 - Lunar Straight Wall Visible & Maginus Ray

May 6 - Eta Aquarid Meteor Shower Peak - ZHR 50 but usually 30, though in 2013 it reached over 130! From Comet Halley.

May 10/11 - Moon passes within ½ degree of Spica all night

May 14/15 - Endymion sunset rays visible on Moon

May 15 - Titan Shadow Transit Visible

May 27 - New Moon - Omega Centauri well placed.

May 31 - Venus at Greatest Elongation in morning Sky 46-degrees from Sun.

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Guide to Space - What Does It Take To Be An Astronaut? Apr 30, 2025

https://www.youtube.com/watch?v=bak4yy3OwyY

Hosted by Fraser Cain.

From November 30, 2015.

What does it take to have the "Right Stuff" to become an Astronaut?

Created by: Fraser Cain and Jason Harmer

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H’ad Astra Historia - Ep. 204: Interstellar Part 2 Apr 29, 2025

Today we’re continuing our talk with Voyager Deputy Project Scientist Dr. Jamie Rankin and learning about all things interstellar, from not only the twin Voyagers (humanity’s only interstellar spacecraft) but also from spacecraft operating within our star system.

Dr. Rankin, Voyager Deputy Project Scientist, talks with us today about all things Interstellar. She is also an Associate Research Scholar and Lecturer in Space Physics at Princeton University. NASA-JPL continues to communicate with both Voyagers 1 and 2 as they explore interstellar space. Closer to home, IBEX and three soon-to-be-launched new spacecraft study the protective bubble of our star system from the inside, while also investigating our star’s ever-changing effect on Earth.

H’ad astra historia is the official podcast for the Historical Astronomy Division of the American Astronomical Society. We’re here to share stories from and about the people who study the stars, planets, and the cosmos. We’ll be hearing from individuals who not only study the history of astronomy, but also those who lived it, who were “in the room” during pivotal events within the last 50 years or so.

Podcaster:

Loretta Cannon (an AAS affiliate via Rose City Astronomers) is a science-and-word-nerd who really likes the stars. She quite enjoys working as HAD’s podcaster, bringing astronomy stories to you.

https://had.aas.org/

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Astronomy Cast Ep. 753: Why is the Moon's South Pole So Interesting? Apr 28, 2025

https://www.youtube.com/watch?v=Y1wdW0-lNtc

Streamed live on Apr 21, 2025.

I’m sure you’ve heard that all eyes are on the Moon’s southern pole. This is where various NASA and Chinese missions are targeting. What makes this region so special and what are the special challenges that explorers will face. From TV shows to real-world missions, it seems like everyone just wants to explore the Moon's South Pole. But why? Learn here!

SUPPORTED BY YOU

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Travelers in the Night Eps. 787 & 788: Far Out & 100 Years of Wilderness Apr 27, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From March, 2024.

Today's 2 topics:

- In 2024, Voyager I is 163 times further from the Sun than we are and is the most distant, human made, traveler in the night.

- In 1924, 100 years ago, the Aldo Leopold Wilderness in southwestern New Mexico became the first designated wilderness and is an island from which to view the natural night sky. Today, because of inappropriate night lighting, the vast majority of children will never see the Milky Way, a meteor streaking across the sky, or have the opportunity to walk around at night by the light of the stars.

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The Cosmic Savannah - Ep. 68: Untangling the Origins of Polar Ring Galaxies Apr 26, 2025

Hosted by Dr. Jacinta Delhaize & Dr. Tshiamiso Makwela.

From November 23, 2023.

This week Dr. Nathan Deg returns to The Cosmic Savannah to discuss polar ring galaxies and how he models these incredible structures. Nathan is a returning guest on The Cosmic Savannah. During the episode Nathan discusses his recent pivot from galaxy simulations and his work at UCT (University of Cape Town) to his current work on galaxy modelling and observations at Queens University in Canada. Nathan also regales us with tales of his recent paper on polar ring galaxies.

Polar ring galaxies are a type of galaxy with an outer ring of gas and stars that rotates over the poles of the galaxies. They are truly some of the most beautiful sights to see in the Universe but much of their origin is a tangled web of theories and mysteries. During this episode we learn how astronomer like Nathan are using innovative galaxy modelling and observation techniques to untangle this web. During the episode Nathan converses with Jacinta about doughnuts, cigars, jellybeans and some astronomy as well.

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EVSN - Magnetar Exhibits Bizarre Behavior, Identity Crisis Apr 25, 2025

From February 3, 2021.

A radio-loud magnetar first observed in March 2020 suffered an apparent identity crisis, behaving like a pulsar until gradually settling into magnetar-like emissions in July. Plus, Mars’ moon Phobos, Jupiter’s moon Ganymede, and an interview with SETI Institute scientist Veselin Kostov about last week’s sextuple star system.

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Awesome Astronomy - NASA's Going Nuclear! Apr 24, 2025

https://www.youtube.com/watch?v=tCqg3NIwbHE

Hosted by Ralph Wilkins.

From Feb 3, 2023.

Nuclear powered rockets are about to become a reality opening up space travel for humanity. Ever since the dawn of nuclear weapons and reactors, advanced militaries and space agencies have dreamt of powering rockets with long lasting energy efficient nuclear fuel.

The Soviet Union and United States ran a number of programs to develop nuclear propulsive power for human spaceflight. Deep space robotic spacecraft, lunar and Mars rovers have all been powered by 'nuclear batteries' in the past - as have experiments that the Apollo astronauts took to the moon - but no nuclear rocket engines have been tested, let alone flown, in space. That is about to change with a NASA/DARPA collaboration to do just that in the hope of cutting the time to travel to Mars by more than half.

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Big Impact Astronomy - Jamal Mimouni Apr 23, 2025

Dr. Jamal Mimouni takes us on an astronomy journey through Africa starting with his long-standing, active group in Algeria.

Dr. Mimouni is an Algerian astrophysicist, who received his higher education partly in Algeria (B. Sc. in Theoretical Physics in 1977 from Algiers University) and partly in the States (Ph. D. in Particle Physics in 1985 from the University of Pennsylvania, Philadelphia). He is also an actor on the science, society, and the cultural dimension of the scientific debate in the Arab-Muslim world and has developed a keen interest in the philosophy of contemporary science, as well as to spreading scientific culture in societies of the developing world.

On the ‘ground’, he has acted as adviser and resource person to amateur astronomy associations in Algeria and is the head of the well-known Sirius Astronomy Association. He has been elected last year as President of the African Astronomical Society (AfAS) based in Cape Town, SA. He has been working closely with the Algerian Ministry of National Education as a scientific adviser, and has conceived and directed various regional training workshops for both elementary school and high school physics teachers: “From Geography to the Cosmos”. Finally, he has authored along with N. Guessoum a popular science book in Arabic “The Story of the Universe: from Early Conceptions to the Big Bang” for an University educated readership, and contributed to an academic collective book “Science and Religion in Islam”.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Ask A Spaceman Ep. 246: What is Stephen Hawking’s Legacy? Apr 22, 2025

How do you measure the impact of a scientist? Does Stephen Hawking compare to Newton or Einstein? What were his contributions to black holes, the big bang, and quantum gravity? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Watch on YouTube: http://www.youtube.com/PaulMSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Don T, Steven W, Brian O, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Justin, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, Scott K, Vivek D, and Barbara C!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 752: Should We Go to the Moon or Mars Next? Apr 21, 2025

https://www.youtube.com/watch?v=UTCFrv-2O0A

Streamed live on Apr 16, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

There is an ongoing debate on where NASA should go next with humans: to the Moon or Mars. (Or maybe an asteroid or one of Mars’ moons). We are on the verge of sending humans back to the Moon. At the same time others would prefer we focus our exploration on Mars. It’s a tough choice because there are costs and benefits to both. Let’s try to give this conversation some nuance. Let's discuss the reasons for each of these worlds.

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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Travelers in the Night Eps. 785 & 786: Secret Asteroid Mission & Comet 31 Apr 20, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From February & March 2024.

Today's 2 topics:

- Unlike other space missions which are conducted out in the open the asteroid mining company AstroForge’s first mission to a potentially valuable nearby rocky M type asteroid is being planned in secret so that some other company doesn’t have the chance to grab it before they do.

- My Catalina Sky Survey teammate Alex Gibbs discovered his 31st comet while asteroid hunting in Leo with our 60 inch telescope on Mt. Lemmon, Arizona. It orbits the Sun once every 6 years on a path between Mars and Jupiter. Comet P/2023/Y1 (Gibbs) is one on the 600 plus known members of the Jupiter family of comets.

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ASTROMAN: The Dark Sky Guardian - Astrrophotography Tips for Astronomy Beginners Apr 19, 2025

“ASTROMAN: the Dark Sky Guardian” is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovation, inclusive science communication, and STEAM Education by integrating science and arts.

Exodus CL Sit, also known as the ASTROMAN, is a transmedia astronomy educator, popular science author, STEAM educator, and science communicator in Hong Kong. He is recently the National Astronomy Education Coordinator (Chair of Hong Kong, China) of the International Astronomical Union and President of Starrix. He was also an International Committee Member of the Dark Sky International, regularly organizing public lectures at the Hong Kong Space Museum and the Hong Kong Science Museum. He was also the author of a popular science book “Decoding the Starry Night: A Guide to Stargazing and Astrophotography”.

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EVSN - From the Beginning of the Universe to the Beginning of Spring, it's All Science Apr 18, 2025

From April 9, 2025.

Let's take a fast-paced journey through all that's new in space and astronomy, including dark energy news, the death of supersymmetry, a closer look at remoting sensing in Earth science, and tales from the launch pad.

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Actual Astronomy - The Skies Over the Southern Ocean Apr 17, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Actual Astronomy Podcast episode 474 presents The Skies over the Southern Ocean. In this episode we talk with Micahel Wright who recently visited Australia to view the Southern Skies for the first time. Michael provides a travelog of his trip as well as what he was able to see in the night sky from down under through a 20-inch telescope. Michael paints a picture for listeners through his sketches and explanations as well as a run down for how to plan your own trip. Michael Wright is a visual observer / Sketcher from Kitchener-Waterloo area, President of the KW RASC Centre, piano teacher and college instructor.

- Destination Astronomy

- Observing in Australia

- Resources to Bring

- Honeysuckles Astronomy Tours

- Observing Report

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Deep Astronomy - Jobs In Astronomy: Do You Really Need a Degree? Apr 16, 2025

https://www.youtube.com/watch?v=5Dru_x0SeYs

Streamed live on Feb 2, 2023.

Hosted by Tony Darnell.

It's not surprising that there's a lot of interest in the topic of getting a good job in astronomy. Every time I mention in on our podcast or in a stream., there are lots of responses and questions.

We also live in a time where the value of a college degree is under great scrutiny. Are they worth the money they cost to get? Is the value a good return on investment? What sorts of jobs can one get with a degree versus without one? Let's discuss this on our first Astronomy Coffee Hangout in quite a while.

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Guide To Space - Venus Could Have Supported Life For Billions Of Years Apr 15, 2025

https://www.youtube.com/watch?v=sB4XzrEv9dU

From Sep 24, 2019.

First Habitable Planet In The Solar System?

After decades of research, including multiple landers and orbiters, science can definitively say: Venus sucks. Seriously, that place is the worst, with its boiling temperature, intense pressure, sulfuric acid rain, and more.

But was it always this bad? According to new research from NASA and various universities in Sweden and the US, Venus might have actually been the first habitable world in the Solar System. And it might have maintained a reasonable climate for billions of years, finally rolling over into a runaway greenhouse effect just a few hundred million years ago.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Astronomy Cast Ep. 751: Vacuum Energy Apr 14, 2025

https://www.youtube.com/watch?v=xBJ4LBFxqb8

Streamed live on Apr 7, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay.

Even empty space isn’t empty. It’s filled with the quantum fluctuations of spacetime itself. Which can be measured with famous experiments like the Casimir Effect. There is a surprising amount of energy in space itself, which has led to some interesting theories about how the future of the Universe might evolve. You can't get something from nothing but sometimes that nothing is something you can get something from.

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Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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Travelers in the Night Eps. 783 & 784: Kacper's Centaur & Josh's Two PHAs Apr 13, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

From February 2024.

- Centaurs have long puzzled astronomers since they have traits in common with both asteroids and comets.

- So far asteroid hunters have discovered approximately half of the 5,000 PHAs which are likely to exist. Asteroid hunters will continue to search the sky to discover dangerous asteroids 50 years before impact so that humans can either deflect or pulverize them.

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NOIR Lab - DESI’s Year 3 Results Apr 12, 2025

Hosted by Rob Sparks.

Description: The Dark Energy Spectroscopic Instrument (DESI) at Kitt Peak National Observatory has been collecting spectra of millions of galaxies to better understand dark energy, the mysterious force that is causing the expansion of the universe to accelerate. The DESI collaboration recently released results based on the first three years of data that indicate dark energy is not a constant force. In this podcast, NOIRLab’s Joan Najita discusses DESI and its groundbreaking results.

Bios:

Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab in Tucson, Arizona.

Dr. Joan Najita is an astronomer at NOIRLab, NSF’s research and development center for ground-based optical and infrared astronomy. She studies the origins of stars and planets and the life histories of the Milky Way and nearby galaxies. A long-time advocate for "highly multiplexed spectroscopy" (i.e., facilities like DESI), she also studies how discoveries are made in astronomy, and works to develop new tools and facilities that sustain discovery.

Links:

NORLab Press Release: https://noirlab.edu/public/news/noirlab2512/

DESI’s public webpage: https://www.desi.lbl.gov/

- DESI’s YouTube channel, which features playlists of DESI talks from the March 2025 APS meeting and additional talks showcasing the BAO results: https://www.youtube.com/@DESISurvey

- Access the DESI data release through Astro Data Lab https://datalab.noirlab.edu/desi/index.php

NOIRLab social media channels can be found at:

https://www.facebook.com/NOIRLabAstro

https://twitter.com/NOIRLabAstro

https://www.instagram.com/noirlabastro/

https://www.youtube.com/noirlabastro

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EVSN - Space is Hard: IM2 Failure, Starship 8 Explosion, Mars Sample Return Delays & More Apr 11, 2025

Published on April 9, 2025.

Let's take a fast-paced journey through all that's new in space and astronomy, including new results from Perseverance Rover, Venusian Volcanism, Mars Sample Return (or not), Intuitive Machines' failure to land upright, Firefly Aerospace's amazing success with Blue Ghost, and tales from the launch pad.

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Cheap Astronomy - Implausible Engineering Episode 4: Asteroids & Time Machines. Again. Apr 10, 2025

Something Stupid.

Episode 4a: Space mining

Most of the contents of the periodic table are available in atomic or molecular form across the solar

system. After all, the Earth accreted out of the same circumsolar dust cloud that all the other planets

accreted out of, not to mention the dwarf planets, asteroids, comets and other bits.

Episode 4b: Time machine (or not)

In a previous episode of Implausible Engineering we discussed how you could shift yourself into the

future by sitting within a very, very fast moving cabin where relativistic time dilation would come into

play.

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Awesome Astronomy - April Part 1 Apr 09, 2025

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

Episode 154. Has NASA been Trumped?

We try to keep it upbeat this month with tales of blackholes, definitions of moons, and solar system science but unfortunately the fate of NASA and American science currently hangs in the balance…

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Ask A Spaceman Ep. 245: What Made the Moon? Apr 08, 2025

Why is the moon so special? Why do we think a giant impact created it? Why didn’t the same thing happen to other planets? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Follow on X: https://x.com/PaulMattSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Don T, Steven W, Brian O, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Justin, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, Scott K, Vivek D, and Barbara C!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 750: Supernova Early Warning System Apr 07, 2025

https://www.youtube.com/watch?v=AEugVwlTunc

Streamed live on Mar 31, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

When enormous stars detonate as supernovae they release a burst of neutrinos that can be the first sign of a coming explosion. Now, astronomers have built a network to watch for that flash of neutrinos, and help direct their telescopes for when the sky show begins. Supernovae explosions occur in stages, with neutrinos being emitted hours before photons. If we can accurately detect those neutrinos, we might just be able to get on target before the light show even starts.... Maybe.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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Travelers in the Night Eps. 781 & 782: Comet C.2023 V5 (Leonard) & Probing The Cosmic Web Apr 06, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From January & February 2024.

Today's 2 topics:

- My Catalina Sky Survey teammate Greg Leonard was asteroid hunting in the constellation of Aquarius with our Schmidt telescope on Mt. Bigelow, Arizona when he discovered his 19th comet. Turns out Greg's new comet is a member of a family of comets orbiting the Sun like a string of cosmic pearls across the vast distances in our solar system.

- In the past two decades astronomers have discovered that galaxies are not randomly distributed in space but rather occur along filaments of mass with huge empty voids between them. How objects and structures in the early Universe became nearby clusters of galaxies and third generation stars like our Sun is an evolving picture we are beginning to understand.

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Last Minute Astronomy - April 2025 Edition Apr 05, 2025

I’m Rob Webb, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare.

April of 2025 brings us the annual Lyrid meteor shower, all the naked-eye planets, and plenty of lunar close encounters. We’ll start by talking about this month’s big events, then highlight the naked eye planets, and finish up with the lunar phases, so you can plan ahead better than me.

April 22nd – LYRID METEOR SHOWER – Around 10-20 meteors per hour, the Lyrids are a minor shower, but a meteor shower indeed. And this year, the Moon will rise very early in the morning, meaning we have clear skies until that point, and even then, it’s not so bright. The shower is greatest on the 22nd, but you might see some on the 21st and 23rd as well. Just remember each meteor is a piece of debris left over from a comet, and we’re crashing into it at over 100,000 miles per hour, which crushes the atmosphere it hits, heating it up and causing the bright flash. There is no real best time to see these this year, but the later, the better. You never know when you’ll see something awesome.

Some advice for watching:

- Find a dark location and lie down in a reclining chair or something that insulates you from the ground.

- Check the weather to see if the skies will be clear.

- Adapt your eyes to the dark by staying away from light sources or using a red light if you need to look at a star chart or not trip over something.

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EVSN - The Book of Mars, Star Formation, & More Apr 04, 2025

From March 13, 2025.

Let's take a fast-paced journey thru all that's new in space and astronomy, including DESI takes a census of central black holes, star formation in clusters, and updates on Europa Clipper, along with a deep dive into Mars science, and tales from the launch pad.

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Actual Astronomy - The Observer’s Calendar for April Apr 03, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Actual Astronomy Podcast presents The Observer’s Calendar for April 2025. In this episode we talk about how to see the Moon as it pairs with Pleiades, Mars, Smallest full moon on April 13th then pairs with Antares. Don’t miss the Lyrid meteor shower and catch Venus, Moon, Saturn and Mercury in the morning sky. We also discuss some stars and deep sky objects including globular cluster M68 and a few galaxies like M104 and M83.

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Big Impact Astronomy - Ron Rosano Interview Apr 02, 2025

Ron Rosano flew into space on a suborbital flight with Virgin Galactic on October 6, 2023, and has pursued a passion of space travel and astronomy outreach with schools in with the public since 1995.

In awe of the starry sky since he was a child and inspired by the Apollo Moon landings, Ron has closely followed NASA and other space missions for as long as he can remember. He has parlayed this passion into extensive astronomy education outreach as an informal educator for more than 25 years, meeting with more than 220 schools in 15 countries. Ron is the creator and editor of the Suborbital Flight Journal, a complete record of all human suborbital flights.

Since 2008, Ron has conducted more than 70 events as a NASA Solar System Ambassador, giving presentations on Mars rovers, the James Webb Space Telescope, the Apollo Moon landings, and more. Ron serves on the advisory council of the Astronomical Society of the Pacific, the board of advisors of the Human Space Program and the Board of Directors of the Nepal Youth Foundation. He works for a property management company and pursues interests in photography and jazz drumming.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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Exoplanet Radio - TRAPPIST-1e: The Most Habitable Exoplanet Apr 01, 2025

From September 13, 2023.

TRAPPIST-1e is a rocky, close-to-Earth-sized exoplanet orbiting within the habitable zone around the ultra-cool dwarf star TRAPPIST-1 approximately 40 light-years away from Earth in the constellation of Aquarius.

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Astronomy Cast Ep. 749: Dark Energy Changing Over Time Mar 31, 2025

https://www.youtube.com/watch?v=MimmxUqg05Q

Streamed live on Mar 24, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

The Hubble Tension is a vexing problem, with astronomers measuring the expansion of the Universe at different points in its history and getting different results. Errors have mostly been ruled out, which leaves the potential for new physics. Has the strength of dark energy been changing over time? We thought Dark Energy was constant with time, but new results from DESI say maybe not, and honestly, if it wasn't constant the Hubble Tension would be a whole lot easier to solve.

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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Travelers in the Night Eps. 313E & 314E: Greg’s Destination & Whoppers Mar 30, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- A winter storm hit Mt. Lemmon, Arizona closing access to the observatory by blowing over trees and producing large snow drifts. After the Mountain Operations Crew cleared the road, my Catalina Sky Survey teammate Greg Leonard was able to make his way to the top and discover an asteroid which could be visited by human astronauts. Greg's new 120 foot diameter space rock, named 2017 BV93, spends most of its time between Earth and Venus as it orbits the Sun once every 346 days.

- Recently, my Catalina Team Captain Eric Christensen discovered a potentially hazardous 3,000 foot diameter asteroid, 2017 CH1. Asteroid hunters are discovering less than one asteroid of this size or greater per month. Eric's discovery, 2017 CH1, has an orbit which can bring it to about twice the Moon's distance from planet Earth. Although it will not come anywhere near Earth in the foreseeable future, asteroid hunters will continue to monitor 2017 CH1's orbit to make sure that it remains no threat to planet Earth.

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UNAWE Space Scoop - Teenage Galaxy Found Hiding in a Cosmic Nursery Mar 29, 2025

Telescopes are, in a way, time-travel machines to the distant past & faraway galaxies. The speed of light is the Universe’s speed limit.

Forget that 55 MPH thing.

186,000 miles per second is more like it!

Lightspeed is also the speed of gravity and electricity, so there’s that.

For example, it takes light from the Sun over 8 minutes to reach Earth, so the sunlight we feel on our faces is, on average, actually 8 minutes 25 seconds old. When astronomers use telescopes to look at galaxies in space, they find some that are close by and some that are farther away—that is, some that are younger and some that are very much older.

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EVSN - Star Formation Occurs in Competitive Environment Mar 28, 2025

From April 21, 2021.

A survey of the stellar nursery in the Orion Nebula Cluster provides evidence that stars compete for material and their size depends on what they gather rather than their initial core size. Plus, NASA mission updates, fast radio bursts, neutron stars, visible novae, and mountain building in the Andes.

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H’Ad Astra Historia Ep. 203: Interstellar Part 1 Mar 27, 2025

Today’s guest: Dr. Jamie Rankin, Voyager Deputy Project Scientist, talks with us today about all things Interstellar. She is also an Associate Research Scholar and Lecturer in Space Physics at Princeton University. NASA-JPL continues to communicate with both Voyagers 1 and 2 as they explore interstellar space. Closer to home, IBEX and three soon-to-be-launched new spacecraft study the protective bubble of our star system from the inside, while also investigating our star’s ever-changing effect on Earth.

H’ad astra historia is the official podcast for the Historical Astronomy Division of the American Astronomical Society. We’re here to share stories from and about the people who study the stars, planets, and the cosmos. We’ll be hearing from individuals who not only study the history of astronomy, but also those who lived it, who were “in the room” during pivotal events within the last 50 years or so.

Podcaster:

Loretta Cannon (an AAS affiliate via Rose City Astronomers) is a science-and-word-nerd who really likes the stars. She quite enjoys working as HAD’s podcaster, bringing astronomy stories to you.

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Guide to Space - Should We Fly to Another Star Soon? Or Wait for Better Technology to Come Along? Mar 26, 2025

https://www.youtube.com/watch?v=RXtYUawd4AY

From Feb 14, 2020.

Hosted by Fraser Cain.

It’s hard to really wrap your mind around the vast distances between stars. The fastest spacecraft ever launched into an interstellar trajectory right now is Voyager 1. If it was directed at the nearest star, it would take tens of thousands of years to make the journey across the interstellar gulf.

Even so, groups like Breakthrough Starshot and Icarus Interstellar are working on plans right now to try and send spacecraft to other stars, ideally within our lifetimes.

But we can see how quickly technology is advancing all around us, from materials science to high energy physics, not to mention reusable rockets.

It seems reasonable to ask, should we invest in an interstellar mission now, or wait a few decades or even centuries for better technology to come along which could make the trip much shorter?

Watch Chris Hadfield's video:

https://www.youtube.com/watch?v=Y6woV3encOA

Andrew Kennedy’s paper:

https://www.researchgate.net/publication/260275150_Interstellar_Travel_-_The_Wait_Calculation_and_the_Incentive_Trap_of_Progress

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Cheap Astronomy - Implausible Engineering, Ep. 3: We All Need Some Space Mar 25, 2025

Hosted by Steve Nerlich.

A. Interstellar Travel.

There is so much imagined interstellar flitting about in star trek, wars etc, that it seems almost inevitable it will all really happen one day. That is, that we might set off from Earth in the morning and arrive at Alpha Centauri system in time for tea. It’s only 4.3 light years away after all.

B. Space Colony.

A standard theme of science fiction and science forecasting is that we’ll establish space colonies one day. This is certainly possible, if not likely, but there are a number of issues to think through. Most importantly, you need energy – so if you are going to build a real space colony that’s in space then the Earth – Moon Lagrange points 4 and 5 might be good since they keep pace with the Moon around its Earth orbit and so will get Earth-Moon levels of solar flux. Or you might float a gondola above the clouds of Venus and get even more solar flux – or you might do the traditional thing and build on the surface of a celestial body. The Moon is good for all sorts of reasons, although Mars tends to be where people look to.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Astronomy Cast Ep. 748: Fast Radio Bursts Mar 24, 2025

https://www.youtube.com/watch?v=KFC408k3RmE

Streamed live on Mar 17, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay.

For the briefest of moments, some dead stars can flash brighter than their entire galaxy (in Radio light) and then live to do it again and again. It’s time for an update on fast radio bursts, a phenomenon we’ve only known about for a few decades. In this time astronomers have learned a tremendous amount them. They’re not solved, but we’re getting closer!

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Ask A Spaceman - Ep. 240: Does the Great Filter Explain Why We’re Alone? Mar 23, 2025

What is the Fermi Paradox? How rare is non-intelligent vs intelligent life? What are the challenges a species must overcome to colonize the galaxy? Where is everybody? I discuss these questions and more in today’s Ask a Spaceman!

Support the show:

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Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Robert B, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Mike G, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, and Catherine B!

Hosted by Paul M. Sutter.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Travelers in the Night Eps. 311E & 312E: Comet Johnson & Space Salsa Mar 23, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- Comet C2/2015 V2 Johnson was discovered by my Catalina Sky Survey teammate Jess Johnson on November 3, 2015. It travels on a hyperbolic path around the Sun which is highly inclined to the plane where the planets and most of the asteroids travel. Jess's comet's path takes it from deep space into the inner solar system slightly further from the Sun than the planet Mars. Although it will not get closer to the Earth than about 75 million miles it may out gas enough material to make it visible to the naked eye.

- If Lunar and Martian colonists are to have chips and salsa they will need grow their own tomatoes. To test methods to do this German Aerospace Center or DLR has developed the EU:CROPIS satellite which will be launched by a Space-X Falcon 9 rocket into low Earth orbit sometime in 2017. Once in orbit the satellite will be programmed to rotate at two different speeds on its own axis to produce Lunar gravity for 6 months and then Martian gravity for the next 6 months.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Cosmic Savannah Ep. 67: A Stroll to the Edge of the Universe Mar 22, 2025

Hosted by Dr. Jacinta Delhaize & Dr. Tshiamiso Makwela.

In this “unplugged” episode, we hear from our own! New host Dr. Tshiamiso Makwela tells us about her research and we introduce you to our new podcast manager, Francois Campher.

Tshiamiso (Tshia) discusses her work in the field of Astronomy Education Research. She asks us “how big is big” and “how far is far”? Tshia explains why these concepts so difficult, yet so important, to comprehend.

Tshia is a post-doc researcher at the University of Cape Town (UCT). She is part of the IAU (International Astronomy Union’s) Office for Astronomy Education (OAE). She explains to us how her work contributes to the advancement of Astronomy education in South Africa and the rest of the world.

We also hear from our brand new podcast manager, Francois Campher! Francois tells us a bit about himself and how he got co-opted into his new role. He also shares his first impressions of the very unique The Cosmic Savannah “studio” (a.k.a cupboard behind the files!)

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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EVSN - Overlooked Exoplanet Found by Citizen Scientists Mar 21, 2025

From December 10, 2021.

Using data provided by the Backyard Worlds: Planet 9 citizen science project, volunteers found a possible large planet or brown dwarf orbiting its star at a distance of more than 1,600 astronomical units. Plus, NASA launches the Imaging X-ray Polarimetry Explorer, and we review Ghostbusters: Afterlife.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Actual Astronomy - A History of Planetary Motion Mar 20, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Actual Astronomy Podcast presents A History of Planetary Motion. In this episode we are joined again by Dave Chapman. Dave will review the history of our understanding of planetary motion, from prehistoric times and antiquity to the present day. He covers the contributions of Mesopotamians, The Greeks, Copernicus, Brahe, Kepler, Galileo, Newton, Halley, Lagrange, Laplace, Gauss, Le Verrier, Galle, Einstein, and Bretagnon. He concludes that our knowledge has progressed immensely, but in a way, we have come full circle!

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Big Impact Astronomy - Olayinka Fagbemiro Mar 19, 2025

Hosted by Mike Simmons.

In this episode of #BigImpactAstronomy, Mike Simmons talks with Olayinka Fagbemiro about her inspiring work bringing STEM education to underserved communities in Nigeria. From IDP camps to classrooms, she’s empowering young minds—especially girls—to see a future in science.

(From the Karman Project)

Olayinka Fagbemiro has dedicated over 17 years to advancing space science and technology as the Chief Scientific Officer at the Nigerian Space Agency. She currently leads the Space Education Outreach Unit and is a vital member of the Planning, Policy, and Research team. Her leadership extends to her role as the Founder, CEO and National Coordinator, Astronomers Without Borders Nigeria, an NGO leveraging astronomy to foster STEM education and address educational inequalities across Nigeria. Olayinka is pursuing a PhD in Geoinformatics at the African University of Science and Technology, where her research focuses on the use of deep learning algorithms for urban development studies. Her expertise in spatial sciences is further augmented by her academic background, with a B.Sc. in Computer Science from the University of Ilorin and an M.Sc. in Technology Management from Obafemi Awolowo University.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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Ask A Spaceman Ep. 244: What’s the Most Important Wavelength in All Astronomy? Mar 18, 2025

What is 21-cm radiation? What (and who) produces it? What causes it, and what does it tell us about the universe? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

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Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Toho Warrior, Steven W, Brian O, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, and Scott K!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 747: Rogue Planets Mar 17, 2025

https://www.youtube.com/watch?v=evnwMG85VeY

Streamed live on Mar 10, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Most planets orbit stars. That’s the rule, right? Well, maybe not. In fact the vast majority of planets could be floating freely through the Milky Way. Today we’re gonna talk about rogue planets. Sometimes planets just go rogue. Let's learn about planets living free from stars.

Show Notes:

Earth's Dust Storms

Mars' Global Dust Storms

Dust Storms on Titan

Potential Dust Storms on Exoplanets

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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Travelers in the Night Eps. 309E & 310E: The Heat Is On & Near Neighbor Mar 16, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- The National Oceanic and Atmospheric Administration has published an extensive data based review, analysis, and summary of the Earth's Climate. 2016 was hotter than 2015 which was hotter than 2014. 2016 is the warmest year the Earth has been in the more than 180 years of record keeping. Overall in 2016 the whole Earth was 1.8 F above the 1951-1980 average. The Arctic in 2016 was 7.2F higher than it was the pre-industrial age.

- Carson Fuls was using the new hundred million pixel camera on our team's Schmidt telescope located on Mt. Bigelow, Arizona, when he discovered 2017 AG13. It passes near the Earth's orbit twice a year on its own 345 day path around the Sun. When Carson spotted it, 9 lunar distances from him it was heading in our direction at about nine and a half miles per second. Three days later it came to less than two times the distance the Moon's distance from us. Less than three weeks later Carson was using the same equipment when he discovered another small space rock, 2017 BH30, which came to a bit more than an Earth's circumference from our home planet.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Astroman: The Dark Sky Guardian - Observing the Beauty of the Night Sky With Stargazing Manner Mar 15, 2025

“ASTROMAN: the Dark Sky Guardian” is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovation, inclusive science communication, and STEAM Education by integrating science and arts.

Exodus CL Sit, also known as the ASTROMAN, is a transmedia astronomy educator, popular science author, STEAM educator, and science communicator in Hong Kong. He is recently the National Astronomy Education Coordinator (Chair of Hong Kong, China) of the International Astronomical Union and President of Starrix. He was also an International Committee Member of the Dark Sky International, regularly organizing public lectures at the Hong Kong Space Museum and the Hong Kong Science Museum. He was also the author of a popular science book “Decoding the Starry Night: A Guide to Stargazing and Astrophotography”.

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EVSN - Aquatic Planets Like Earth’s Could Abound in Milky Way Mar 14, 2025

From March 10, 2021.

A new study examines the formation of rocky worlds from dust particles containing ice and carbon, increasing the possibility that our own Milky Way galaxy could be filled with aquatic planets similar to Earth. Plus, a simulation of the Milky Way-Andromeda collision and an overview of asteroid Apophis.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Cosmic Perspective - Vatican Astronomer, Brother Guy Consolmagno Mar 13, 2025

Hosted by Andy Poniros.

From Wikipedia:

“Brother Guy J. Consolmagno, SJ (born September 19, 1952), is an American research astronomer, physicist, religious brother, director of the Vatican Observatory, and President of the Vatican Observatory Foundation.

His research is centered on the connections between meteorites and asteroids, and the origin and evolution of small bodies in the Solar System. In addition to over 40 refereed scientific papers, he has co-authored several books on astronomy for the popular market, which have been translated into multiple languages.

During 1996, he took part in the Antarctic Search for Meteorites, ANSMET, where he discovered a number of meteorites on the ice fields of Antarctica. An asteroid was named in his honour by the International Astronomical Union, IAU in 2000 - 4597 Consolmagno.

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Awesome Astronomy - March Part 1: Paranal Problems: Light Pollution at the VLT Mar 12, 2025

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

It looks as though the European Southern Observatory is caught in an American light pollution pincer…starlink above and now the threat of an American industrial complex as a neighbour. Is this the end?

We have eclipse news, launch round up and the usual inane chatter from Jeni & Paul.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Exoplanet Radio - Life in Terminator Zones Mar 11, 2025

From September 12, 2023.

Hosted by Tony Darnell.

Based on our experience here on Earth, we know life here to be tenacious and ubiquitous. Even in the harshest climates, if we look hard enough, we can usually find some sort of life there. We are hoping the same is true on worlds around other stars, and recent research has begun looking into the question of whether life on other worlds could exist in the most inhospitable environs: the terminator zone of tidally locked planets.

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Astronomy Cast Ep. 18: Black Holes Big & Small Mar 10, 2025

https://www.astronomycast.com/archive/

From January 8, 2007.

We’re finally ready to deal with the topic you’ve all been waiting for: Schwarzschild swirlers, Chandrasekhar crushers, ol’ matter manglers, sucking singularities… You might know them as black holes. Join us as we examine how black holes form, what they consume, and just how massive they can get.

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Travelers in the Night Eps. 307E & 308E: Asteroids 2016 & Suddenly Bright Mar 09, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

From October 2024.

- 2016 was another record year for asteroid hunters during which we discovered 1,894 new Earth approaching objects. My team, the NASA funded, Catalina Sky Survey, led the pack with 931 Near Earth Asteroid discoveries.

- An example that a relatively large space rock can approach the Earth suddenly started with what appeared as a bright star moving across the images that I had just obtained with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona.

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NOIR Lab - The Largest Radio Jet In the Early Universe Mar 08, 2025

Making use of the Gemini North telescope, one half of the International Gemini Observatory, astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. In this podcast, Dr. Anniek Gloudemans discusses how this object was discovered, the follow up observations and what we have learned about radio jets in the early Universe.

Bios:

- Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab in Tucson, Arizona.

- Anniek Gloudemans is a postdoctoral fellow at NOIRLab working on understanding the formation and evolution of the most massive supermassive black holes in the early Universe. She received her masters degree from the University of Amsterdam in 2019, including an internship at the European Space Agency in 2018. Following this, she obtained her PhD at Leiden Observatory in The Netherlands in 2023, where she studied the low-frequency radio emission of early supermassive black holes. Besides her research, Anniek has a passion for teaching and organizing outreach activities for all ages with a focus on connecting the world through astronomy and raising awareness for climate change.

Links:

NORLab Press Release: https://noirlab.edu/public/news/noirlab2506/

Gemini Observatory: https://www.gemini.edu/

NOIRLab social media channels can be found at

https://www.facebook.com/NOIRLabAstro

https://twitter.com/NOIRLabAstro

https://www.instagram.com/noirlabastro/

https://www.youtube.com/noirlabastro

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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EVSN - Temperatures That Kill Mar 07, 2025

From February 19, 2025.

Let's take a fast-paced journey thru all that's new in space and astronomy, including a potentially killer asteroid, a new look at the history of Earth's water, and a mini-quasi-moon, along with a deep dive into climate change, and tales from the launch pad.

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Actual Astronomy - Observer’s Calendar for March Mar 06, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Observer’s Calendar for March 2025 on Episode 472 of the Actual Astronomy podcast. I’m Chris and joining me is Shane. We are amateur astronomers who love looking up at the night sky and this podcast is for everyone who enjoys going out under the stars.

March 4th is Pancake Tuesday

March 5 - Moon 0.6-degrees N of Pleiades but 6-7 degrees E of M45 for us

March 6 - Lunar X & V visible

March 7 - Lunar straight wall and Walther Sunrise Ray visible on Moon

March 8 - Mercury at greatest evening elongation 18-degrees from Sun in W. & Mars 1.7 degrees S of Moon

March 9 - Jewelled Handle Visible on Moon

March 11 - 2 Satellites Visible on Jupiter at 8:42 pm EST

March 12 - Asteroid 8 Flora at opposition m=9.5

- Discovered by Hind in 1847 is is the innermost large asteroid and the seventh brightest. Name was proposed by John Herschel for the latin goddess of flowers and gardens. Parent of the Flora family of asteroids. Mixture of silicate rock, nickel-iron metal.

March 12 - also, - Wargetin Pancake Visible on Moon

March 13 - M 93 well placed this evening

March 14 - Lunar Eclipse for NA - Just before Midnight on the 13…for us it’s best around 2:45 CST.

March 20 - Spring Equinox

March 22 - Zodiacal Light becomes visible for a. Couple weeks in W evening sky

March 23 - large tides this week

March 24 - Mare Orientale visible on Moon - 6am

March 27 - 2579 nebula and cluster well placed for observing this evening

- Galaxy NGC 2784

March 28 - Friday, best weekend this year for Messier Marathon

March 29 - Partial Solar Eclipse - Centred on Northern Labrador and Baffin Island.

- Gegenschein visible from a very Dark Site high in S at midnight

March 30 - More Large Tides

- Sirius B, “The Pup” - Current separation about 11 arc seconds max in 50 years.

https://www.rasc.ca/sirius-b-observing-challenge

Concluding Listener Message: Please subscribe and share the show with other stargazers you know and send us show ideas, observations and questions to actualastronomy@gmail.com

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Big Impact Astronomy - John Goldsmith Mar 05, 2025

Hosted by Mike Simmons.

John Goldsmith is a prolific astrophotographer from WA, Western Australia. He has 35 years experience and was mentored by the late Akira Fujii.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Ask A Spaceman Ep. 243: So Is the Warp Drive Legit or Not? Mar 04, 2025

What is an Alcubierre warp drive? What would it take to make it work? Could it propel spacecraft even below the speed of light? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Follow on X: https://x.com/PaulMattSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Toho Warrior, Steven W, Brian O, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Robert B, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, and Scott K!

Hosted by Paul M. Sutter.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Astronomy Cast Ep. 746: Dust Storms Mar 03, 2025

https://www.youtube.com/watch?v=iTaLgpL5NFI

Streamed live Feb 24, 2025.

We have dust storms on Earth and of course the famous dust storms on Mars. There are even dust storms on Titan. What causes these storms and how do they work differently on the worlds in the solar system. But what about the exoplanets?

The bane of solar panels, humans, and robots, dust storms have a way of picking up steam (or at least dust) all over the solar system.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

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Travelers in the Night Eps. 305E & 306E: Newborn Planets & Marrakech Mar 02, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

From October 2024.

- The ALMA radio telescope located in the Atacama desert of northern Chile is able to see the faint millimeter wave length glow emitted by gas molecules and dust particles in the disk of material surrounding the very young star named HD 163296. This solar system in formation is located about 400 light years away in the constellation of Sagittarius. HD 162396's age compared to our Sun is like that of a 3 day old human baby compared to a 65 year old adult.

- A location 9,000 feet above sea level in the Atlas Mountains of Morocco is ideal for an asteroid hunter since the weather is often clear and the skies are dark. It was thus intriguing for me to see that a new asteroid discovery was posted from J43 which is the Morocco Oukaïmeden Sky Survey or (MOSS) located near Marrakech , a name I had not encountered except in the Crosby, Stills, and Nash song "Marrakech Express". The MOSS observatory has team members in Morocco, France, and Switzerland, call themselves amateurs, and produces professional quality results.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Last Minute Astronomer - March Episode Mar 01, 2025

March 2025 says goodbye to Saturn, welcomes a total lunar eclipse, and continues hanging out with the rest of the planets. Hi everybody, I’m Rob Webb, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare. We’ll start by talking about this month’s big events, then highlight the naked eye planets, and finish up with the lunar phases, so you can plan ahead better than me.

14th - Total Lunar Eclipse

1:09am EST – Partial Eclipse Begins – Just look South to find the Full Moon, and watch as the Earth’s shadow appears to nibble on the Moon from left to right. This phase will last about an hour. (You might hear that the penumbral portion of the eclipse starts before this. While true, it is essentially undetectable with the naked eye.)

2:26am EST – Totality Begins – Now the umbra of the Earth’s shadow is completely engulfing the Moon, and only the light from all the sunrises and sunsets on Earth are illuminating our orbital partner’s surface, making it appear anywhere from dark yellow to orange to red to brown. This phase will last a little over an hour, with maximum eclipse right before 3am.

3:32am EST – Totality ends, Partiality begins again – now the shadow leaves the Moon, starting to expose its surface from the right to left.

4:48am EST – Partial Eclipse Ends

Other things to look for

As the Moon gets darker, more and more stars will be visible
The Moon is right between Leo and Virgo - Virgo is usually tough to find, so take advantage of the darkened Moon.

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EVSN - Black Holes Can Clear Way For Star Formation Feb 28, 2025

From June 15, 2021.

Contrary to the destructive role supermassive black holes are thought to play in the lives of stars, it turns out that certain types of galaxies benefit from black holes clearing the way and keeping star formation going. Plus, lightning at the edge of space, a landslide in the Himalayas, and an interview with Dr. Darby Dyar and Dr. David Grinspoon about the recent selection of three different Venus missions.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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H'ad Astra Historia Ep. 202: Say Cheese Feb 27, 2025

We’re celebrating the 35th anniversary of the first and only Portrait of the Solar System, a series of images taken by Voyager 1 on 14 Feb 1990. Dr. Candice Hansen-Koharcheck tells the story behind this portrait. She and Dr. Linda Spilker also talk about their career-long friendship.

Loretta Cannon (an AAS affiliate via Rose City Astronomers) is a science-and-word-nerd who really likes the stars. She quite enjoys working as HAD’s podcaster, bringing astronomy stories to you.

Dr. Candice Hansen-Koharcheck: https://science.nasa.gov/people/candice-hansen/

and https://www.psi.edu/staff/profile/professional-history/candice-hansen-koharcheck/

Dr. Linda Spilker: https://science.jpl.nasa.gov/people/Spilker/

The Solar System Family Portrait: https://science.nasa.gov/resource/first-ever-solar-system-family-portrait-1990/

Prof Emerita Dorothy Woolum, Cal State Fullerton: https://www.researchgate.net/profile/Dotty-Woolum

Brad Smith: https://www.lpl.arizona.edu/about/memoriam/smith

and https://baas.aas.org/pub/bradford-smith-1931-2018/release/1

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Cheap Astronomy - Dear CA #116: The Universe Feb 26, 2025

Our very big home.

Dear Cheap Astronomy – Just why?

Asking why the Universe is doesn’t have to be a spiritual inquiry into purpose. We can look across the Universe and observe that things happen in very predictable patterns, following determinable and repeatable pathways of cause and effect which are always in the general direction of increasing entropy.

Dear Cheap Astronomy – Will we ever make contact with aliens in another star system?

Here at Cheap Astronomy, we don’t think astronauts, taikonauts or any nauts will ever be exploring other worlds in person. There’s nowhere we could go outside the Solar System within a lifetime and generation starships would just be a nightmarish Lord of the Flies in a tin can.

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Awesome Astronomy - February Part 1 Feb 25, 2025

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

The world veers towards madness, asteroids threaten destruction and Gaia is no more. But the planets are putting on a show and Pluto is 95, so that’s alright…

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Astronomy Cast Ep. 745: How We Know If Asteroids Will Attack Feb 24, 2025

https://www.youtube.com/watch?v=MD47H6ZKbxo

Streamed live Feb 20, 2025.

I’m sure you’ve heard the news, asteroid 2024 YR4 has a tiny chance of hitting Earth in 2032. How do astronomers discover these dangerous asteroids, measure their future impact risk and track the changes over time? When should we panic? New asteroids are found every day, and every day we learn that those asteroids don't have any murderous intentions. But how do we learn that? In this episode we dig into asteroid orbital determination.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Travelers in the Night Eps. 303E & 304E: Dust Stories & Big Splash Feb 23, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From September & October 2024.

Today's 2 topics:

- Collect your own beautiful micro-meteorite sample.

It is estimated that several hundred thousand pounds of left over particles from the formation of our solar system enters the Earth's atmosphere every day with perhaps 10% of the of the total reaching the surface of our home planet. The individual grains of cosmic dust or micro-meteorites as they are also called range in size from the diameter of a human hair to twice the thickness of a dime.

- To discover what would happen if an asteroid were to strike a large body of water, Dr. Galen Gisler led a team of scientists who used high performance computing facilities at Los Alamos National Laboratory to calculate and visualize a 3-D model of an asteroid entering the Earth's atmosphere over one of the world's oceans. These efforts won them the Best Visualization and Data Analytics Showcase award at Supercomputing 2016. Reality is that what happens depends upon the mass, size, speed, angle of approach, and composition of the impacting object. Galen's group of scientists documented the hunch that since an asteroid strikes the water at a single point, it only effects the immediate region around the impact point, whereas to create a tsunami, you need something like an under water landslide which disturbs an entire water column from the ocean floor to the surface.

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The Cosmic Savannah - Ep. 66: Meertime Mysteries – Pulsars & Prizes Feb 22, 2025

Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama.

From October 19, 2023.

Professor Matthew Bailes returns to discuss his recent work on Pulsars as well as his thoughts and feelings on winning the 2023 Shaw Prize for the discovery of Fast Radio Bursts.

Professor Matthew Bailes is an astrophysicist from the Centre for Astrophysics and Supercomputing at Swinburne University of Technology and the Director of OzGrav. His work primarily focuses on millisecond pulsars and detecting Fast Radio Bursts.

Professor Bailes was awarded the 2023 Shaw Prize in Astronomy along with Duncan Lorimer & Maura McLaughlin for the discovery of Fast Radio Bursts. Congrats!

During the episode Professor Bailes discusses new and exciting insights from his recent research, his work on the Meertime project, how his spam filter nearly cost him the Shaw Prize and why microwaves must be used with caution when searching for Fast Radio Bursts.

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EVSN - Moons May Be Beneficial to Life Beyond Earth Feb 21, 2025

From February 4, 2022.

New simulations find that to form a moon with a similar size ratio to our own system, certain types of planets are needed. And that type of moon-planet system could then be beneficial to the rise of life on the planet. Plus, a Starlink launch, puffy planets, and training astronauts underwater for spacewalks.

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Actual Astronomy - Naked Eye Astronomy Feb 20, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

- About 6,000 stars are visible to the unaided eye and some even in the day

- Eric Saw eta Cassiopeia in the Calgary Centre 14-inch they retrofitted

- Milky Way - Walter Scott Houston - Shadows

- What’s the faintest thing you can see?

- Moon - TWS - Copernicus? Libration 15:32 Young Moon Record

- Planets - Jupiter's Satellites.

- Belt of Venus

- Crepuscular Rays / Heat Lighting / Noctilucent Clouds, Aurora

- Comets

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Big Impact Astronomy - Dr. Joyful Mdhluli Feb 19, 2025

Dr. Joyful Elma Mdhluli is a Fellow at The Office of Astronomy for Development (OAD). The OAD is a joint project of the International Astronomical Union and the NRF, with the support of the Department of Science and Innovation, and is operated by NRF-SAAO. Dr. Mdhluli also received funding from the NRF for her Master’s and PhD studies.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Ask A Spaceman - Ep. 242: Are There Invisible Stars in the Universe? Feb 18, 2025

What is an axion? How could axions make a star, and what does that have to do with dark matter? What would these stars look like? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

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Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Robert B, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Mike G, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Toho W, Steven W, Brian O, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, and Scott K!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 744: Lunar Time Feb 17, 2025

https://www.youtube.com/watch?v=h1otvUdIYe8

Streamed live on Feb 10, 2025.

What time is it? OK, fine, what time is it on the Moon? The Moon orbits the Earth, so it doesn’t fall into a specific time zone. Also, there’s lower gravity on the surface of the Moon, which changes the rate that clocks tick. Well… It’s time to introduce Lunar Time.

When are you when you are on the Moon? Researchers are putting together definitions!

Hosted by: Fraser Cain and Dr. Pamela L. Gay

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

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Travelers in the Night Eps. 301E & 302E: WOW! What a Ride & Dangerous Comet Feb 16, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

From September 2024.

- It's a good thing this one will miss Earth.

Riding the surface of the asteroid that my Catalina Sky Survey teammate Richard Kowalski recently discovered would be an incredible experience.

- Protection against a comet strike is worth considering. Every year, if we are lucky, several comets can come close enough for the Sun to warm and us to see the beautiful changing dust and gas clouds around them with binoculars or our unaided eyes. So far asteroids have gotten most of the attention as dangerous celestial neighbors, however, Dr. Joseph Nuth, a researcher at NASA's Goddard Space Flight Center in Greenbelt, Maryland recently pointed out "Comets can also deliver a heaping helping of calamity to Earth, and scientists and policymakers alike should start taking measures to combat the threat".

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ASTROMAN: The Dark Sky Guardian - Preserving Our Night Sky Through Dark Sky Initiatives Feb 15, 2025

“ASTROMAN: the Dark Sky Guardian” is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovation, inclusive science communication, and STEAM Education by integrating science and arts.

Exodus CL Sit, also known as the ASTROMAN, is a transmedia astronomy educator, popular science author, STEAM educator, and science communicator in Hong Kong. He is recently the National Astronomy Education Coordinator (Chair of Hong Kong, China) of the International Astronomical Union and President of Starrix. He was also an International Committee Member of the Dark Sky International, regularly organizing public lectures at the Hong Kong Space Museum and the Hong Kong Science Museum. He was also the author of a popular science book “Decoding the Starry Night: A Guide to Stargazing and Astrophotography”.

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EVSN - Craters in Northern Canada Offer Clues to Titan Feb 14, 2025

From June 17, 2021.

New research presented at the Workshop on Terrestrial Analogs for Planetary Exploration used the Haughton impact crater in Arctic Canada as a potential analog for impact craters on Titan, one of the targets of the upcoming Dragonfly mission. Plus, giant spinning structures, the slowing of the Milky Way, a blinking star, and volcanoes here on Earth.

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Awesome Astronomy - Farewell NASA's InSight Mission Feb 13, 2025

https://www.youtube.com/watch?v=LieXZEdaDN8

Ralph Wilkins hosts.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

From Dec 30, 2022.

We say farewell to NASA's Insight mission on Mars. This lander spent 6 years on the Martian surface examining the interior of the planet. It discovered that Mars is not geologically dead as we previously thought. It discovered that Mars has a larger core than we thought, its magnetic field was stronger than we thought and the crust is thinner. And in typical NASA fashion, it made us all sad to think of the little fella dying in the cold Martian dirt. The heartless swines!

All videos and imagery courtesy of NASA and Wikimedia Creative Commons

But please do help us out by subscribing to the channel:

https://www.youtube.com/awesomeastron...

And if you want to hear more from us we have a podcast filled with space and sciency goodness:

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Music by Star Salzman: https://www.youtube.com/channel/UCf2l-ET5875xig-FrjbjTvQ

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Cheap Astronomy - Dear CA #115: The Next Steps Feb 12, 2025

Two steps (at least).

Hosted by Steve Nerlich.

From June 25, 2024.

Dear Cheap Astronomy – So what can you do with lunar regolith?

Lunar regolith is readily available for use by space explorers, but just being available doesn’t mean it’s going to be useful. Nonetheless, there have been some interesting suggestions about what to do with it over the years since Apollo and now that we are in the Artemis era, this seems a good time to blow the moon-dust off some of those suggestions.

Dear Cheap Astronomy – Are we really not going to Mars in the 2030s?

Well, probably not. NASA’s moving target is now 2037, it was previously running with 2033 until an independent review looked at their current plan and said no way and also said no way to the next launch window in 2035, so it’s 2037 now – which Cheap Astronomy guesses will be pushed into 2040 in about three years. China is still talking about launching astronauts to Mars

in the 2033 launch window, but without a lot of details on how, excepting some hints that they might use nuclear technologies, at least for power if not propulsion.

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Exoplanet Radio - Ep. 33: What is the Habitable Worlds Observatory? Feb 11, 2025

Hosted by Tony Darnell.

From September 8, 2023.

There’s no question that humanity is making fast progress in understanding, cataloging and classifying planets around other stars. So far we’ve found over five thousand five hundred of them. But let’s face it, we really want to know, maybe more than anything else, whether these planets have any life on them and whether they are habitable for us to, maybe, live on.

Finding habitable worlds has been a driving passion since we first learned there were other planets out there, and to find them, we are going to need a dedicated instrument that does nothing else but tries to locate and characterize them.

That’s where the Habitable Worlds Observatory comes in. NASA says “HWO is a concept for a NASA flagship mission, as recommended by the 2020 Astrophysics Decadal Survey, that would pursue a breadth of astrophysics goals, including searching for and characterizing potentially habitable planets beyond our solar system.”

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Astronomy Cast Ep. 743: What Else Can We Learn From Gravitational Waves? Feb 10, 2025

https://www.youtube.com/watch?v=3fwPjPZXAuc

Streamed live on Feb 3, 2025.

Just a few years ago LIGO detected the first direct evidence of gravitational waves coming from colliding black holes. And there you have it. Boom! Black holes collide! But that wasn’t all we learned from gravitational waves, nor will we learn. Sure, the masses of merging black holes are nice to know, but what else can we learn from gravitational black holes?

Hosted by: Fraser Cain and Dr. Pamela L. Gay

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

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Travelers in the Night Eps. 299 & 300: Caves of Mars & Lost and Found Feb 09, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- Aug 27, 2024.

Presently the surface of Mars is very dry and any liquid water that reaches it quickly boils away since the martian atmospheric pressure is what you could experience in your space suit 30 to 50 miles above the Earth's surface. However, since the martian gravity is about 1/3 that of the Earth, its crust is less dense and more porous than what we find on our home planet.

- Sep 3, 2024.

When asteroid hunters follow an object in the night sky for a few hours or a couple of days they are only able to observe a snippet or tracklet of the object's hundreds to thousands of days long path around the Sun. If we only have a short sample of an orbit we loose precision to locate the object as the length of time since the last observation increases. It is thus possible to lose the knowledge of where to find a particular asteroid.

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NOIR Lab - 25 Years of the Gemini International Observatory Feb 08, 2025

The Gemini International Observatory consists of two 8.1 meter telescopes located in Hawai’i and Chile. These telescopes have been at the cutting edge of astronomy research since their inception. Gemini Observatory is currently celebrating its 25th anniversary. This podcast takes a look at the first 25 years of Gemini Observatory and looks ahead to the future.

Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab in Tucson, Arizona.

Links:

Gemini Observatory: https://www.gemini.edu/

NOIRLab social media channels can be found at:

https://www.facebook.com/NOIRLabAstro

https://twitter.com/NOIRLabAstro

https://www.instagram.com/noirlabastro/

https://www.youtube.com/noirlabastro

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EVSN - Cool Worlds, Exploding Stars, & An Asteroid That Missed Earth Feb 07, 2025

From August 20, 2020.

Join us today as we look at how citizen science helped discover 100 cool worlds nearby. Then we examine evidence that exploding stars may have contributed to a mass extinction on Earth. Speaking of mass extinctions, an asteroid narrowly missed our planet last weekend. Because 2020.

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Actual Astronomy - The Observer’s Calendar for February Feb 06, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Actual Astronomy Podcast presents The Observer’s Calendar for February 2025. In this episode we talk about what you can see in the February 2025 night sky. This month we focus on all the planets you can see, rays and craters on the Moon as well as a few deep sky objects you might see on a winter vacation.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Big Impact Astronomy - Cosmic Webs and Hands-On Learning with Mark Neyrick Feb 05, 2025

Hosted by Mike Simmons.

- Mark Neyrick, cosmologist and research scientist at Blue Marble Space Institute, explains the cosmic web of galaxies and matter, and how this large-scale structure mirrors branching structures in nature, like trees and rivers. He discusses the artistic and educational method of using origami and tactile models to teach complex cosmological concepts, making science more accessible and memorable.

- Origami models make cosmic webs tangible! By folding paper and fabric, Mark illustrates how dark matter forms cosmic filaments, offering a hands-on approach to understanding the universe’s structure.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Ask A Spaceman - Could We Travel to Parallel Universes? Feb 04, 2025

Where do parallel universes exist? Could we use wormholes to travel to them? What does time travel have to do with all this? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Follow on X: https://x.com/PaulMattSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Robert B, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Mike G, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Toho W, Steven W, Brian O, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, and Scott K!

Hosted by Dr. Paul M. Sutter.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Astronomy Cast Ep. 742: Atmospheric Gravity Waves Feb 03, 2025

https://www.youtube.com/watch?v=voStvJmLZis

Streamed live on Jan 27, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Gravity Waves ... not gravitational waves ... move atmospheres and make pretty clouds. Have you ever looked up into the sky and seen bizarre cloud formations that look like waves on the ocean? These are gravity waves. Not to be confused with gravitational waves, and they’re caused by a balance of buoyancy and gravity. And of course these have been seen across the solar system.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Travelers in the Night Eps. 297E & 298E: Weird Centaur & Psyche Water Feb 02, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From August 2024.

Today's 2 topics:

- Richard Kowalski discovered 2016 WM48, a Centaur. Centaurs are named after the mythical beasts which were half human and half horse perhaps because they have characteristics of both asteroids and comets. 2016 WM48, is about a mile in diameter. We don't know if it has rings, tiny moons, or a gas cloud surrounding it as some other Centaurs do. 2016 WM48 must have had a catastrophic collision in the past few million years which put it on a very elliptical path which is tipped at 60 degrees or so to the solar system's plane.

- The asteroid Psyche may be one of the most expensive pieces of real estate in the solar system. It is a small world about 116 miles in diameter and is composed of almost pure nickel-iron metal. It is located in the asteroid belt between Mars and Jupiter. Scientists find evidence that Psyche may be the exposed core of a planet which was destroyed by collisions as it was trying to form long ago.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Last Minute Astronomer - February Episode Feb 01, 2025

Hosted by Rob Webb.

Full text available at the Cosmos Safari Blog.

February 2025 is a phenomenal continuation of January’s planetary-ness! You’ll get chances to see all the planets before going to bed and a conjunction of Mercury & Saturn.

Hi everybody, I’m Rob, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare. We’ll start by talking about this month’s big events, then highlight the naked eye planets, and finish up with the lunar phases, so you can plan ahead better than me.

LUNAR CLOSE ENCOUNTERS

The Moon will be traveling across the sky as normal, passing by some planets at particular times.

1st - 2nd - Saturn has dipped below Venus in the sunset sky by about 12°, and a very thin crescent Moon joins in on the 1st, within 3° of Venus. Then, on Feb 2nd, the Moon, Venus, and Saturn make a string of objects just after sunset in the SW.

6th - Find the Waxing Gibbous Moon just about 5° above bright Jupiter moving West throughout the night, setting just before 3:30am.

9th - The Moon will start out the night just 2˚ from Mars, moving further away throughout the night, setting around 6am.

Music was produced by Deep Sky Dude and used with permission.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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EVSN - Space Stories of Joy Jan 31, 2025

From January 24, 2025.

It's the kind of week where we feel the need to put joy into the world, and we've made the decision to just find stories to bring a smile and share them with you. And also rockets, we're bringing you all the rocket news.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Cosmic Perspective - The Springfield Telescope Makers, 100 Years Young Jan 30, 2025

Sponsored and hosted by Andy Poniros.

From the Annual Springfield Telescope Makers Stellafane Convention Tara Roberts Zabriskie discusses the filming of her Springfield Telescope Makers Documentary & several STM members (Tom Spirock, Phil Rounseville, Katie Shusdock, Dave Groski and Dave Kelly) discuss their personal experiences as STM, the history of the club & the Stellafane convention, & how this passionate group of individuals has been bringing telescope making to the public for 100 years.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Big Impact Astronomy - Diversity, Equity, & Science Fiction with Jörg Matthias Determann Jan 29, 2025

Hosted by Mike Simmons.

- Dr. Jörg Matthias Determann discusses his role as a historian of science, with a focus on biology, astronomy, and astrobiology, emphasizing diversity, equity, and inclusion within astronomy.

- He highlights the universal appeal of astronomy and how it connects all cultures under the same sky, while acknowledging barriers in elite academic circles.

- **Highlight:** *Science fiction as a tool for inclusivity:* Jörg explores how science fiction inspires broad audiences, bridging gaps between elite sciences and marginalized groups.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Awesome Astronomy - Venus. Twinned with Milton Keynes Jan 28, 2025

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

Episode 151!

Happy New Year! This month we talk about an new climate history for Venus, a new origin story for Mars’ moons and we chat about the new potential head of NASA…

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Astronomy Cast Ep. 741: Technosignatures Jan 27, 2025

https://www.youtube.com/watch?v=HYSMx0Fm9CU

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Streamed live on Jan 20, 2025.

Pollution will ultimately give away a society.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Share the podcast with your friends and send the Patreon link to them too!

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Travelers in the Night Eps. 779 & 780: What If An Asteroid is About To Impact Earth? & Scary Space Rock Jan 26, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From January 2024.

Today's 2 topics:

- A research project whoes goal is to explore if it would be possible, on short notice, to pulverize a small asteroid so that it would not enter the Earth’s atmosphere as a single object perhaps saving humanity from an very expensive sonic boom.

- My Catalina Sky Survey teammate David Rankin was being filmed and interviewed by the NASA 360 crew at our 60 inch telescope on Mt. Lemmon, Arizona when he discovered a scary space rock moving through the constellation of Aquarius at 13 mi/s.Rest assured that asteroid hunters will carefully keep track of 2023 VS3 to make sure that its orbit does not change to make it a threat in the distant future as it passes near to Earth, Mars, and other asteroids.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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------------------------------------

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

The Cosmic Savannah - Ep. 65: Zombies of the Cosmos Jan 25, 2025

Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama.

This is a re-run of episode 29 of The Cosmic Savannah in anticipation of an upcoming interview with Prof Matthew Bailes so all our listeners can get up to speed about everything to do with Neutron Stars!

We are firstly joined by Prof. Matthew Bailes from the Centre for Astrophysics and Super computing at Australia’s Swinburne University of Technology. Matthew is a world expert on pulsars and the Director of the “OzGrav” ARC Centre of Excellence for Gravitational Wave Discovery.

Matthew chats with is us about pulsars, gravitational waves and some of the incredible science we can expect from projects such as Meertime. MeerTime will use the MeerKAT telescope to explore fundamental physics and astrophysics using radio pulsar timing.

We’re then joined by Katia Moskvitch, who was the 2019 British Science Journalist of the Year and the 2019 European Science Journalist of the Year! Katia tells us about a her new book “Neutron stars: The Quest to Understand the Zombies of the Cosmos.” This popular science book is written for a general audience and describes the fascinating and bizarre existence of neutron stars and pulsars.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

EVSN - New Pieces Placed in Milky Way Formation & Evolution Puzzle Jan 24, 2025

From November 17, 2020.

Two new papers examine how the Milky Way galaxy was formed and how it evolved. Plus, we take a look at stories on the prospects for life elsewhere in the cosmos and on fast radio bursts and supernovae. Finally, just what was the zero gravity indicator aboard the Crew-1 Dragon?

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

H’ad Astra Historia Ep. 201 – The 2025 HAD Osterbrock Book Prize Jan 23, 2025

Today’s guest is Dr. Seb Falk is the recipient of HAD’s 2025 Osterbrock Prize for his book “The Light Ages: the Surprising Story of Medieval Science”. His exceptionally well-written book takes the reader on a learning journey with the 14th century Benedictine monk John Westwyk who, at the end of his career in 1392, wrote an instructional manuscript in Middle English for an equatorie to compute a planet’s location. Originally discovered in 1951 and attributed to Chaucer, 30 years later the manuscript’s author was identified as Westwyk. Based on years of meticulous scholarly research, Falk teaches the reader detailed, and progressively complicated, 14th century science in this thoroughly pleasurable story about Westwyk’s life.

H’ad astra historia is the official podcast for the Historical Astronomy Division of the American Astronomical Society. We’re here to share stories from and about the people who study the stars, planets, and the cosmos. We’ll be hearing from individuals who not only study the history of astronomy, but also those who lived it, who were “in the room” during pivotal events within the last 50 years or so.

Podcaster:

Loretta Cannon (an AAS affiliate via Rose City Astronomers) is a science-and-word-nerd who really likes the stars. She quite enjoys working as HAD’s podcaster, bringing astronomy stories to you.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Big Impact Astronomy - Inclusive Astronomy Outreach With Cesare Pagano & Andra Stoica Jan 22, 2025

Inclusive astronomy outreach is possible with simple tools: Tactile sheets, 3D models, and balloons with star stickers are powerful resources for teaching astronomy to the blind, making the Universe accessible to all.

- Cesare Pagano and Andra Stoica discuss their roles in the Inclusive Outreach sub-working group of the International Astronomical Union, focusing on making astronomy accessible to people with disabilities.

- Andra Stoica explains how tools such as tactile sheets and 3D models allow visually impaired individuals to experience and understand astronomical concepts.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!

Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Astronomy Cast Ep. 740: Sneaky Stars! Jan 20, 2025

https://www.youtube.com/watch?v=5H24hCeBsNI

Streamed live on Jan 13, 2025.

Why stars can’t be trusted!

If you’re an astronomer you depend on accurate observations of stars, but there’s a problem. Stars are sneaky! Changing in size, brightness, color, they hide their chemistry, their age and even their companions from all but the cleverest observers. Stars explode precisely when they intend to. Betelgeuse took a brightness plunge, T CrB refused to go nova, and other failures to be predictable irk observers for good reasons. Let's talk about it.

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Travelers in the Night Eps. 777 & 778: Psyche Bound & Two Comets Jan 19, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From Dec ’23 & Jan ’24.

Today's 2 topics:

- The NASA Psyche Spacecraft will use a multispectral imager, gamma and neutron spectrometers, and other instruments to map, measure, and characterize an unknown weird world.

- Matching his wife’s discovery of two comets on the same observing run seven years previously my Catalina Sky Survey team caption Carson Fuls discovered two comets on consecutive nights. They have very different origins and ultimater fates.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

ASTROMAN: The Dark Sky Guardian - Light Pollution in Urban Cities Jan 18, 2025

“ASTROMAN: the Dark Sky Guardian” is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovation, inclusive science communication, and STEAM Education by integrating science and arts.

Exodus CL Sit, also known as the ASTROMAN, is a transmedia astronomy educator, popular science author, STEAM educator, and science communicator in Hong Kong. He is recently the National Astronomy Education Coordinator (Chair of Hong Kong, China) of the International Astronomical Union and President of Starrix. He was also an International Committee Member of the Dark Sky International, regularly organizing public lectures at the Hong Kong Space Museum and the Hong Kong Science Museum. He was also the author of a popular science book “Decoding the Starry Night: A Guide to Stargazing and Astrophotography”.

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EVSN - Free-flowing Water On Ancient Mars? Not So Fast! Jan 17, 2025

From August 4, 2020.

Join us today as we talk about newly released research that suggests the waters on ancient Mars were subglacial and not free-flowing. Also, a black hole goes dormant and star formation goes wild. Meanwhile, computer models show that unequal neutron stars colliding may cause a big “bang” that can be detected on Earth.

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Actual Astronomy - Listener Emails & Christmas Presents Jan 16, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

Listener emails and Christmas Presents on Episode 466!

The Actual Astronomy Podcast presents Listener Emails and Christmas Presents. We talk about several items listeners received as well as what other people are doing under the stars.

We get emails from Alejandro, Adam, Stan, Chris K., another Chris and Tim.

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Big Impact Astronomy - Jean Pierre Grootaerd: Stars Shine for Everyone Jan 15, 2025

Hosted by Mike Simmons.

**Jean Pierre Grootaerd (Belgium and the World) Stars Shine for Everyone: Global Telescope Outreach**

- Jean-Pierre builds mounts for donated telescopes for education in developing countries. He partners with the International Astronomical Union to gift telescopes that inspire students worldwide. Follow the journey of telescopes from Belgium to classrooms around the world, sparking curiosity and wonder.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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Exoplanet Radio - TESS's Breakthrough Discovery of Long-Period Exoplanets TOI 4600 b and c Jan 14, 2025

Fron September 7, 2023.

Hosted by Tony Darnell.

Human beings have discovered over five thousand five hundred exoplanets. Over 80 percent of them have orbits shorter than 50 days which would place them at over twice as close to their star as Mercury is to the Sun. Some are even closer. Recent observations from TESS however have found one with an orbit of 82 days and another measured in hundreds of days.

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Astronomy Cast Ep. 739: Drones! Jan 13, 2025

https://www.youtube.com/watch?v=6Dx59ue1pZo

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Streamed live January 9, 2025.

From little Ingenuity to the future Firefly and all our Earth Science fliers, let's look at the buzzy scientists. NASA’s Mars Ingenuity helicopter showed us how wonderful a flying science platform can be on another world. Soon there’ll be a helicopter flying on Titan, but there are many other flying robots that’ll be helping us with all our science needs.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit.

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Travelers in the Night Eps. 775 & 776: 3 Close Approaches & Naming Asteroids and Comets Jan 12, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

From December 2023.

Today's 2 topics:

- During a six hour period three small space rocks passed through the Earth-Moon system. At discovery 2023 TO4 was in Pegasus, 2023 TD7 was in Aries , and 2023 TQ3 was in Eradanus.

- Every year a significant number of comets and asteroids are discovered by amateur astronomers with modest equipment.Their reward is satisfaction and the right to name their discovery.

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NOIRLab - The Fastest Feeding Black Hole Jan 11, 2025

Supermassive black holes exist at the center of most galaxies, and modern telescopes continue to observe them at surprisingly early times in the Universe’s evolution. It’s difficult to understand how these black holes were able to grow so big so rapidly. But with the discovery of a low-mass supermassive black hole feasting on material at an extreme rate, seen just 1.5 billion years after the Big Bang, astronomers now have valuable new insights into the mechanisms of rapidly growing black holes in the early Universe.

In this podcast, Hyewon Suh and Julia Scharwächter discuss the discovery of LID-568, a black hole that is feeding at 40 times the theoretical limit.

Bios:

Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab in Tucson, Arizona.

Hyewon Suh’s research mainly focuses on the multi-wavelength studies of Active Galactic Nuclei and their host galaxies to understand the growth of black holes in the context of galaxy evolution. While the deep, large-area extragalactic surveys have greatly enriched our knowledge of the early universe, there are several missing pieces in the understanding of the formation and the growth of supermassive black holes. She is interested in the most energetic and obscured phase of accreting black holes to explore the formation of the first accreting black holes, and to provide the crucial observational constraints on a hidden phase in the early universe.

Julia Scharwächter’s main research area is the (co-)evolution of galaxies and their supermassive black holes. She is interested in studying the role of AGN feedback and the nature of black hole mass-host galaxy scaling relations. Her observational projects mostly aim at spatially resolved studies of galaxy nuclei in the nearby Universe. She uses 3D spectroscopy in the optical, near-infrared, and at millimeter wavelengths to probe the stellar and gas component in galaxies, with a special focus on gas-kinematic black hole mass measurements and gas excitation/kinematics around AGN. She is also interested in galaxy dynamics and galaxy merger simulations using N-body/SPH codes.

Links:

NOIRLab Press Release: https://noirlab.edu/public/news/noirlab2427/

NOIRLab social media channels can be found at

https://www.facebook.com/NOIRLabAstro

https://twitter.com/NOIRLabAstro

https://www.instagram.com/noirlabastro/

https://www.youtube.com/noirlabastro

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EVSN - End-Permian Extinction Lasted 10X Longer on Land Than in Water Jan 10, 2025

From April 27, 2021.

The biggest mass extinction event on Earth occurred at the end of the Permian period, resulting in the extinction of 95% of marine life and 80% of terrestrial life. Now, scientists have found that the terrestrial portion of the event lasted nearly ten times as long as the ocean version. Plus, a spaghettified star, the search for Moon Trees, all about Mars, and new works on dark matter and dark energy.

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April Jubett - Listen to the Universe Jan 09, 2025

https://www.youtube.com/watch?v=GxWwlwvcQDg&t=0s

https://plus.nasa.gov/video/listen-to-the-universe/

From Jun 5, 2024.

NASA is famous for beautiful space images, but did you know you can listen to them? Go behind the scenes with the team that creates “sonifications,” translations of data into sound, and learn how meaningful they are to people who are blind or low-vision.

"Listen to the Universe" - Audio-described version for better accessibility

Organization:

NASA/ Marshall Space Flight Center/Smithsonian Astrophysical Observatory/Chandra X-ray Center & NASA's Universe of Learning

Bio:

Many collaborators at NASA/MSFC/SAO/CXC poured their heart and soul into this project. I'm not sure who to bio!

Credits:

Written, Directed & Produced by: Elizabeth Landau (NASA)

Dr. Kimberly Arcand (NASA/CXC/SAO)

April Jubett (NASA/CXC/SAO)

Megan Watzke (NASA/CXC/SAO)

Edited by: Ashlee Nichols Brookens (NASA)

April Jubett (NASA/CXC/SAO)

Full Credits on NASA+

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Awesome Astronomy - Christmas Panto! Jan 08, 2025

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

It’s that time of year again where the team get silly. The Martians have a bit of a lark mucking about in this year’s pantomime. This year Butch and Suni hijack the ISS…

They do also touch on the space news from 2024 and what to expect in 2025.

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Ask A Spaceman Ep. 239: What Are the Weirdest Hypothetical Particles? Jan 07, 2025

Are dark photons as sinister as they sound? What did the curvaton do in the early Universe? And is everything really made of preons? I discuss these questions and more in today’s Ask a Spaceman!

This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Follow on Twitter: http://www.twitter.com/PaulMattSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, Robert B, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Mike G, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, and Catherine B!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 30: The Sun, Spots & All Jan 06, 2025

http://www.astronomycast.com/archive/

From April 2, 2007.

It’s Spring in the Northern Hemisphere, and that means the Sun is back. But it’s more than just a free heat lamp for your garden, it’s an incredible, dynamic nuclear reaction complete with flares, coronal mass ejections, twisting magnetic fields and the solar wind. Put in your headphones, head outside and enjoy the sunshine while you listen to this week’s podcast.

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Travelers in the Night Eps. 773 & 774: Discovery and Recovery & Loss and Gain Jan 05, 2025

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- New observations linked with discovery observations 10 years earlier provide a significant improvement in the precision of our knowledge of 2013 TG6’s orbital elements and thus its position on the sky well into the future.It is important for asteroid hunters to keep track of small asteroids like this one to make sure sure that their path doesn’t change to make them a threat as they pass other objects in space.

- The Catalina Sky Survey searches the sky as rapidly as possible in search of Earth approaching objects that could pose a threat to our home planet. The Vera Rubin Observatory will obtain 200,000 images per year to discover things that move or change brightness down to a very faint magnitude.

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The Last Minute Astronomer - January 2025 Jan 04, 2025

Hi everybody, I’m Rob Webb, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare. We’ll start by talking about January’s big events, then highlight the naked eye planets, and finish up with the lunar phases, so you can plan ahead better than me.

January 2025 is a PLANETARY month! Mars gets big, Mars gets occulted, Mars gets outshined by Venus, Saturn, and Jupiter, then Venus and Saturn pass right by each other, and a brief but intense meteor shower shows up.

13th - Occultation of Mars - MORE than a close encounter, Mars will be right next to the Moon all night, except for about an hour when the Moon occults Mars. Around Philadelphia, the occultation starts at 9:17pm, when the Moon passes right in front of Mars. This lasts until about 10:32pm, when Mars pops back out on the other side of the Moon.

Music was produced by Deep Sky Dude and used with permission.

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EVSN - Science Here & Far: The Moon, Asteroids, Dark Comets... & Dark Energy Jan 03, 2025

From December 25, 2024.

Let's take a fast-paced journey thru new discoveries planetary science and Cosmology. We look at Dark Comets, Io's gooey mantle, the colonization of a Ryugu sample by Earth bacteria, galaxies growing too fast too early, and more. As always, we'll also bring you tales from the launch pad.

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Actual Astronomy - The Observer’s Calendar Jan 02, 2025

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

This month is our Observer’s Calendar for January 2025 but I’ve had Marie Newnham working with me on the RASC Observer’s Colander and she came up with a. Variety of new targets I’ll start adding but have never seen for myself.

Jan 5- Neptune 1.1 S of Moon - Occultation for Central and North EU

Jan 6 - First Quarter Moon and Walthier Sunrise Ray visible on Moon

Jan 7 - Lunar Straight Wall visible and “Eyes of Clavius” on the Moon

Jan 8/9 - Uranus 4° S of Moon

Jan 11 - “Wargentin Pancake” visible on Moon

Jan 12 - Mars at Closest Approach - Carbon star T Cnc best tonight

Jan 13 - Full Moon - Mars 0.2° S of Moon - Occultation for NA 9pm EST

Jan 14 - Follow Arcturus into the daytime sky

Jan 15 - Mars at Opposition

Jan 17 - Saturn and Venus 3° apart

Jan 19 - Venus 3° N of Saturn

Jan 21 - Last Quarter Moon

Jan 25 - Mare Orientale visible on Moon

Jan 31 - Saturn 1.1° South of Moon

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Cheap Astronomy - Dear CA #114: Making Sense of Complexity Jan 01, 2025

Hosted by Steve Nerlich.

Dear Cheap Astronomy – Why do further way galaxies moving faster mean the Universe is expanding?

It is all a lot to take in – not only is farther away stuff moving faster, also the Universe is expanding faster now than it was in the past and there’s standard candles and red-shift and much room for confusion.

Dear Cheap Astronomy – Is there such a thing as a dead planet?

To start with it’s probably unreasonably biocentric to define spherical objects that orbit the Sun and have cleared their orbits, as either alive or dead. We can redefine the question in terms of being geologically-active or not, but there it gets difficult to draw a line between what’s active and what isn’t.

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UNAWE Space Scoop - Tune in to the Exoplanetary Radio Dec 31, 2024

Astronomers think that studying the effects of spaceweather and radiation in space will shed more light on exoplanetary atmospheres. You see, spaceweather is what we call the variations in the space environment.

Here in our solar system we experience spaceweather as solar wind, solar flares, solar storms, coronal mass ejections from the Sun and even cosmic rays from the rest of the Universe.

Did you see the aurora borealis this year?

That’s spaceweather!

Want to know more?

You can visit https://www.spaceweather.com and https://www.swpc.noaa.gov.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Astronomy Cast Ep. 17: Where Does the Moon Come From? Dec 30, 2024

http://www.astronomycast.com/archive/

From January 1, 2007.

We take the Moon for granted, but its effect on the Earth is very important; possibly even critical for the formation of life. But where did it come from? Did the Earth and Moon form together? Or did the Earth capture a wayward Moon? Or was there a more catastrophic cause to this lunar mystery?

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Travelers in the Night Eps. 771 & 772: Nice PHA & M31, Our Neighbor’s Surprise Dec 29, 2024

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- NASA classifies 2023 SZ1 as a Potentially Hazardous Asteroid since it is larger than 140m in diameter and on its current path can come to about 6 times the Moon’s distance from us.Fortunately on its current path 2023 SZ1 will not come any closer than 42 times the Moon’s distance from us until after 2171.

- Marcel Drechsler, Xavier Strottner, and Yann Sainty’s image of our neighboring galaxy, M31, in Andromeda won the 10,000 British pound Astronomer Photographer of the year award for 2023. Amazingly their image revealed a huge, previously unknown arc of hot doubly ionized Oxygen gas.

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The Cosmic Savannah - Ep. 64: Bursts From Space Dec 28, 2024

In this episode, Tshiamiso and Dan have a discussion with Alexander Andersson from Oxford University about Zooniverse, citizen science projects and how citizens can contribute to the work that astronomers do.

During the episode Alex discusses how important and useful the work done by participants in the Bursts from Space project is for helping scientists train AI in the search for radio transients – or as Alex puts it: “Things that go bump in the night”.

Join us for another exciting episode and learn how you can contribute to the fascinating research going on in Astronomy today!

Alexander Andersson is a PhD student at Oxford University in the United Kingdom. His work focuses on Machine Learning applications to data collected by the MeerKAT telescope. Alex is also involved with the Zooniverse citizen science project. Specifically, Alex is working on the Bursts from Space project using the Zooniverse platform in order to train AI to identify radio transients.

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EVSN - Impact Gardening Churns Surface of Saturn’s Moon Europa Dec 27, 2024

From July 17, 2021.

Over tens of millions of years, the surface of Europa has been churned by impacts down to an average depth of 30 centimeters. This churning means that the search for chemical biosignatures must look below that zone. Plus, methane and icequakes at Enceladus, predicting underwater eruptions, Virgin Galactic's flight, and a Chinese spacewalk.

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H’ad Astra Historia - Ep. 108: Put a Ring On It Dec 26, 2024

Hosted by Loretta Cannon for the AAS-HAD.

Historical Astronomy Division of AAS

https://had.aas.org/

Today’s guest: Dr. Linda Spilker (JPL Fellow and Senior Research Scientist) discusses the Cassini mission to Saturn (1997-2017) that she worked with for 30 years, the last 10 as Project Scientist.

H’ad astra historia is the official podcast for the Historical Astronomy Division of the American Astronomical Society. We’re here to share stories from and about the people who study the stars, planets, and the cosmos. We’ll be hearing from individuals who not only study the history of astronomy, but also those who lived it, who were “in the room” during pivotal events within the last 50 years or so.

Loretta Cannon (an AAS affiliate via Rose City Astronomers) is a science-and-word-nerd who really likes the stars. She quite enjoys working as HAD’s podcaster, bringing astronomy stories to you.

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Pamela Gay - ’Twas The Observer’s Day Before Christmas Dec 25, 2024

Hosted by Dr. Pamela Gay.

Description: Pamela tells a Christmas tale for astronomers one and all. With apologies to Clement Clarke Moore.

Bio: Dr. Pamela L. Gay is co-host of the popular AstronomyCast podcast. Additionally, she created Astrosphere New Media Association, a nonprofit organization that promotes science through internet based technologies, in order to keep many of the IYA projects alive.

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Exoplanet Radio - Ep. 31: Astronomers Confirm Proxima Centauri b is Not A Transit Exoplanet Dec 24, 2024

From September 6, 2023.

Hosted by Tony Darnell.

Astronomers have recently concluded an observation study of the closest exoplanet to Earth, Proxima Centauri b and found that the planet does not transit its star. These observations settle a question that astronomers have been asking since the exoplanet's discovery in 2016 using the radial velocity method.

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Astronomy Cast Ep. 738: Looking Ahead to 2025 Dec 23, 2024

https://www.youtube.com/watch?v=ot1o31zqF8s

Streamed live on Dec 16, 2024.

What can we hope (or dread) to see in 2025?

Last week we talked about the 2024 strangeness. Now we’re gonna talk about the upcoming space stories for 2025 that we’re looking forward to. It’s a nice mix of new rockets, new missions and new fly-bys.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos https://www.patreon.com/AstronomyCast

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Travelers in the Night Eps. 769 & 770: Green Comet & Hycean World Dec 22, 2024

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- Given the effects of climate change today who can predict what planet Earth will be like when C/2023 P1(Nishimura) comes back near our home planet in approximately 2455 AD.

- Hycean Worlds, with masses between Earth and Neptune which have thin hydrogen rich atmospheres above a liquid water ocean may be very common in our neighborhood of the Milky Way. They could be an abode of life.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Cheap Astronomy - Dear CA # 113: The Planets Dec 21, 2024

We’ve plundered Earth, what’s next?

Dear Cheap Astronomy – If we did colonize the Solar System, what would we do with the different planets?

It remains to be seen if we will spread out across the solar system. While we starting to feel more confident about avoiding a mass extinction asteroid strike, a super-volcano eruption could just as easily end civilization as we know it. There’s also the more mundane scenario of where our population keeps growing, we run low on resources and then fight a bunch of wars over what’s left, pretty-much trashing what’s left of the ecosystem in the process.

Dear Cheap Astronomy – If we colonized the Solar System, Part 2

In part 2, we are looking into the far future which has access to speculative technologies, which may or may not come to pass. Indeed, as we stated in Pt. 1 we may never get beyond leaving a few footprints on our local satellite before civilization as we know it collapses. But if we assume the rise of technology can be kept on its current trajectory indefinitely, then sure, all sorts of things could become possible.

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EVSN - Searching for Dark Energy in Black Holes Dec 20, 2024

From December 11, 2024.

From baby planets to ancient black holes, let's look at the week's space news, including the discovery of a planet around a still-forming star, our Sun's massive outbursts as measured by tree rings, a new catalog of white dwarfs in binary systems, and a deep dive into the possibility that black holes create dark energy. As always, we'll also bring you tales from the launch pad.

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Actual Astronomy - Observing Lists & Eyepiece Cleaning Dec 19, 2024

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Actual Astronomy Podcast Episode 464 presents Observing Lists and Eyepiece Cleaning. In this episode we talk about a few observing lists Chris is working on for the RASC Observer's Handbook and Calendar plus some Wide Field Wonders. Shane details his cleaning process for eyepieces.

My little counterweight arrived!

Bought a semi-truck snow brush to clear snow from the rails

Sadly where the roll off rails enter the observatory freezing rain and snow accumulate behind the wheels, builder can fix it but we need warmer weather.

A lot of folks wrote about why the 7-inch wasn’t up in the observatory…this is why since it eats up so much room it is difficult to work in there.

A couple notes on the RASC publications I’m involved with. Due to our postal strike here in Canada we have to delay giving out a copy of my RASC Observer’s Calendar which I edit each year. The good news if you are in the states there is a bundle sale for the Observer’s Calendar and Observer’s Handbook, $44 and with the exchange favouring our American friends it is nearly a buy one get one free situation.

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Awesome Astronomy - Re-examining Uranus Dec 18, 2024

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

This month we look at new old data about Uranus, a possible second dinosaur asteroid the first image of a star in another galaxy and the image of a new planet forming. Plus sky and launch guides and a chat about Christmas present ideas!

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Ask A Spaceman Ep. 238: What Makes the Sun’s Corona So Dang Hot? Dec 17, 2024

How can the solar corona be hotter than the surface? What has the Parker Solar probe learned so far? What do magnetic fields have to do with all this? I discuss these questions and more in today’s Ask a Spaceman!

This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Follow on Twitter: http://www.twitter.com/PaulMattSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, stargazer, Robert B, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jules R, Mike G, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, C, Kevin B, Michael B, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Herb G, Stephen A, James R, Robert O, Lynn D, Jeffrey C, Allen E, Michael S, Reinaldo A, Jessica M, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 737: Weird Science Stories From 2024 Dec 16, 2024

https://www.youtube.com/watch?v=i4SjpJT2FFg

Streamed live December13, 2024.

Hosted by: Fraser Cain and Dr. Pamela L. Gay.

2024 was a strange year! I’ll let your imagination take flight and consider how 2024 was weird for you. But, for space and astronomy we had some interesting, revolutionary, unsettling and downright weird stories pop up. Today let’s talk about them.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

https://www.patreon.com/AstronomyCast

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

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Travelers in the Night Eps. 767 & 768: A Really Tough Customer & Capricoernus Observatory Csokako Dec 15, 2024

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- The more we learn about 322P/SOHO the stranger it becomes.

- In 2023 T. Maroti of the Capricornus Observatory, Csokako, Hungary discovered two Earth approaching asteroids which were passing through the night sky unnoticed by other observers. His equipment is an 11 inch telescope, electronic camera, and computer.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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NOIR Lab - DESI Tests Gravity at Cosmic Scales Dec 14, 2024

Gravity has shaped our cosmos. Its attractive influence turned tiny variations in the amount of matter present in the early Universe into the sprawling strands of galaxies we see today. A new study using the first year of data from the Dark Energy Spectroscopic Instrument (DESI) has traced how this cosmic structure grew over the past 11 billion years, providing the most precise test to date of how gravity behaves at very large scales. In this podcast, Dr. Pauline Zarrout discusses these results and the future of DESI research.

Bios: Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab in Tucson, Arizona.

From 2015 to 2018, Pauline did her PhD at CEA-Saclay on the clustering analysis of eBOSS quasars. She is a laureate of the 2018 L'Oréal-Unesco fellowship For Women in Science. Then, she continued as a postdoctoral researcher in DESI at the ICC at Durham University. Since October 2020, she is a CNRS researcher in cosmology at LPNHE.

Links:

NOIRLab press release: https://noirlab.edu/public/news/noirlab2428/

LBL press release: https://newscenter.lbl.gov/2024/11/19/new-desi-results-weigh-in-on-gravity/

NOIRLab social media channels can be found at

https://www.facebook.com/NOIRLabAstro

https://twitter.com/NOIRLabAstro

https://www.instagram.com/noirlabastro/

https://www.youtube.com/noirlabastro

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EVSN - Eccentric Minor Planet to Make Close Pass to Saturn’s Orbit in 2030 Dec 13, 2024

From Jun 22, 2021.

Minor planet 2014 UN271, discovered in data collected by the Dark Energy Survey, is set to make a close pass to Saturn’s orbit at the end of the decade, giving astronomers a chance to observe a rare trans-Neptunian object from up close...ish. Plus, Venus, Jupiter, the Milky Way, and an invisible galactic structure discovered quite by accident.

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Cosmic Perspective - Andrew Chaikin Interview Dec 12, 2024

(From Wikipedia)

Andrew L. Chaikin (born June 24, 1956) is an American author, speaker and science journalist. He lives in Vermont. He is the author of A Man on the Moon, a detailed description of the Apollo missions to the Moon. This book formed the basis for From the Earth to the Moon, a 12-part HBO miniseries.

From 1999 to 2001, Chaikin served as executive editor for space and science at Space.com. From 2008 to 2011, he was a faculty member for Montana State University in Bozeman, Montana. In 2013, he wrote and performed the narration on a NASA video re-creating the taking of the famous Earthrise photo during the Apollo 8 mission.

His book A Man on the Moon: One Giant Leap states that he grew up in Great Neck, New York, and, while studying geology at Brown University, worked at the NASA/Caltech Jet Propulsion Laboratory on the Viking program.

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Big Impact Astronomy - Ep 1: Susan Murabana & Daniel Chu Owen Dec 11, 2024

Hosted by Mike Simmons.

(From Wikipedia)

- Susan Murabana Owen is a Kenyan astronomer. The co-founder of Traveling Telescope, she is known for her efforts to promote science, technology, engineering and mathematics in Africa, particularly among girls. grew up in Nairobi, Kenya, and studied sociology and economics at the city's Catholic University of Eastern Africa. In 2011, she graduated with a master's degree in astronomy from James Cook University in Australia.

- Daniel Chu Owen established Traveling Telescope, in which he had travelled around his home country, the United Kingdom, allowing the public to look at space through his telescope. In 2014 and 2015, Traveling Telescope was relaunched in Kenya as a social enterprise aiming to educate poor and remote communities about science and astronomy.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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Awesome Astronomy - Comets, Cruises & Outreach Dec 10, 2024

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

#149 November 2024.

This month the episode is all about astronomy! Yep just astronomy. We catch up with the wonderful comet observations of the autumn, Jen’s aurora cruise in Norway and we talk outreach astronomy in response to a listener's question.

www.awesomeastronomy.com

Bio:

Awesome Astronomy explores the frontiers of science, space and our evolving understanding of the universe.

Join Paul & Jeni for informative and fun astronomy programmes dedicated to space and astronomy news and monthly podcast extras covering hot topics and special interviews in the world of science and astronomy.

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Astronomy Cast Ep. 736: Gift Guide 2024 Dec 09, 2024

https://www.youtube.com/watch?v=AYyhpoOV-zk

Streamed live on Dec 2, 2024

Hosted by: Fraser Cain and Dr. Pamela L. Gay

It’s time for our Holiday Gift Guide, where we suggest ideas for presents for the space fans in your life! What books are we reading? What games are we playing and what telescopes are we admiring?

SUPPORTED BY YOU !!!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos. https://www.patreon.com/AstronomyCast

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

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Travelers in the Night Eps. 7? 295E & 296E: Martian Motherlode & Our Number Dec 08, 2024

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- Jul 30, 2024.

Water for Martian Colonists!

Martian colonists will need to create mini environments with air to breathe and water to drink. Energy will be required to keep warm, power the settlement, and enable vehicles to move around the planet.

- Aug 6, 2024.

Recently my Catalina Sky Survey teammate Greg Leonard discovered, 2016 WJ1, a relatively large asteroid which can come close but will not hit the Earth. The extremely unlikely scenario of an impactor with our number on it would start the with the report of a fast moving point of light in the night sky. After a few days of data the Minor Planet Center would give it a name.

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Last Minute Astronomer - December Episode Dec 07, 2024

I’m Rob Webb, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare. Joining me today is my son, Soccorso.

13th – 14th – Geminid Meteor Shower – The Geminids are usually a good shower, with up to 100 meteors per hour. That means that, even though this is not a great year for them (Full Moon will brighten the sky and reduce how many meteors we’ll see), hanging outside for 20-30 minutes should still bring you some good sights.

When? Really, any time of the night is good. After midnight is always best…

Where do I look? The whole sky, but note Gemini is where the radiant is - where the meteors will appear to be coming from. Gemini will be in the East after sunset, South after midnight, West in the morning.

But be well prepared…

Dedicate at least 20-30 minutes to being outside and not looking at your phone - this allows your eyes to get dark adapted and reduces the risk of you missing one because you’re going in-and-out. Stay dark-adapted by staying away from light sources or using a red light if you need to look at a star chart or not trip over something.
Find a dark location and lie down in a reclining chair or hammock.
Dress warmly. LAYERS!!!
Check the weather to see if the skies will be clear.
Adapt your eyes to the dark by staying away from light sources or using a red light if you need to look at a star chart or not trip over something.
You never know when a nice meteor will burn up, so take a nice look at the sky in general, noting that the meteors will appear to go from the radiant and outward.

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EVSN - Trojan Asteroids: Understanding the Past to Explore the Future Dec 06, 2024

From March 3, 2021.

Just how were the Trojan asteroids in orbit with Jupiter discovered? And how were they named? We take a look back at these objects as we get closer to the launch of the Lucy spacecraft. Plus, a cluster of galaxies, a meteoroid explosion at Jupiter, seafloor microbes, wildfires, and an interview with Fraser Cain, publisher of Universe Today and co-host of Astronomy Cast!

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Actual Astronomy - The Observer’s Calendar for December Dec 05, 2024

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

Dec 6th Friday - Moment of Global Darkness occurs when 85% of the global population experience night simultaneously.

According to Date & time .com Nighttime for Almost Everyone—How Is That Even Possible? Just like at any other moment, the Sun will illuminate one half of the globe on December 6 at 19:56 UTC. The other half will be dark, and people living there will experience nighttime.

The reason why so many people will be in darkness is that the world’s most populated areas will be on the night side of Earth at that moment. That includes nearly all of Asia, which is home to about 60 percent of all humans. Meanwhile, the Americas, New Zealand, and most of Australia will be bathed in sunlight. However, while being huge landmasses, relatively few people live there. North and South America combined only make up about 13 percent of our worldwide population.

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Big Impact Astronomy - Manisha Dwa - Women in Science: Leading Astronomy in Nepal Dec 04, 2024

- Manisha represents several international astronomy education organizations and is a leader in the Nepal Astronomical Society.

- Founder of Women in Science Nepal, all while studying for her PhD.

- **Highlight:** Explore her leadership role in promoting astronomy education and supporting women in science.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Ask A Spaceman Ep. 237: Could Any Supernova Harm The Earth? Dec 03, 2024

Death by supernova.

Are we “in range” of any potential supernovae? Has the Earth ever been hit in the past? And what about gamma-ray bursts from across the galaxy, are we safe from those? I discuss these questions and more in today’s Ask a Spaceman!

This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Follow on Twitter: http://www.twitter.com/PaulMattSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, stargazer, Robert B, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jules R, Mike G, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, C, Kevin B, Michael B, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Herb G, Stephen A, James R, Robert O, Lynn D, Jeffrey C, Allen E, Michael S, Reinaldo A, Jessica M, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B!

Hosted by Dr. Paul M. Sutter.

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Astronomy Cast Ep. 735: Albert Einstein Dec 02, 2024

https://www.youtube.com/watch?v=15sOxk6cwaQ

Streamed live on Nov 25, 2024.

Last week we talked about the Einstein probe. So this week it is only natural that we talk about the man himself, Albert Einstein. He revolutionized the field of physics, played a vital role in the early 20th century and struggled to unite the forces of the Universe at the end of his career.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit!

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Travelers in the Night Eps. 293E & 294E: Bright and Bald & 200 Yards of Trouble Dec 01, 2024

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- Jul 16, 2024.

My Catalina Sky Survey teammate Carson Fuls discovered 2015 TC25 as a rapidly moving point of light in the night sky. Followup observations using data from four different telescopes has enabled a team of astronomers led by Dr. Vishnu Reddy of the University of Arizona's Lunar and Planetary Laboratory to determine that this small asteroid reflects four times more of the sunlight than do most other Earth approaching asteroids. Dr. Reddy points out that large asteroids are covered by a blanket of dust but that "Small asteroids might be bald and dust free." This team of researchers found the surface of Carson's discovery to be similar to a small meteorite which fell to Earth in France in 1836.

- Jul 23, 2024.

Dangerous Asteroids Are Still Out There! Recently my Catalina Sky Survey teammate Greg Leonard discovered a rapidly moving point of light in the night sky. Subsequent observations made by telescopes in Arizona, Romania, Illinois, the Czech Republic, Australia, and France revealed it to be a close approaching Potentially Hazardous Asteroid. The Minor Planet Center named it 2016 WJ1. This asteroid is about 200 yards in diameter, orbits the Sun once every 567 days, and currently can come to within about 26,000 miles of the Earth's surface. 2016 WJ1's orbit eventually will bring it near Mars, Earth, our Moon, and Venus. Any of these encounters have the potential to change it's path around the Sun.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Cheap Astronomy - Dear CA Ep. 112: Getting Closer Nov 30, 2024

Next steps, if we don’t trip first.

Hosted by Steve Nerlich.

Dear Cheap Astronomy – How will we find the first evidence of extra-terrestrial life?

Well of course, we don’t know – the question is more invitation to review the various options and rank the relative likelihood of those options based on the information we have to hand. So - it’s possible that we’ll first find evidence of intelligent life in the form of an electromagnetic signal of technological origin coming from another star system.

Dear Cheap Astronomy – Are we safe from asteroid impacts now?

No, but we are safer. The recent DART mission showed that you can divert the trajectory of an asteroid by impacting it with a fast moving spacecraft. The 2022 DART mission demonstrated that the DART spacecraft’s kamikaze crash moved the asteroid Dimorphous by some tens of metres. Tens of metres won’t save Earth from a collision with an object that’s already closing in – but from sufficient distance such fractional shift could very well modify its trajectory so that it misses.

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EVSN - Pluto’s Atmosphere Freezing Out as Pluto Moves Away Nov 29, 2024

From October 5, 2021.

Scientists analyzed the results of a stellar occultation when Pluto passed in front of a distant star and found that Pluto’s atmosphere is freezing to the surface as the planet moves away from the Sun. Plus, an interview with Dr. Kat Volk regarding Transneptunian space and the possibility of Planet 9.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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H’ad Astra Historia Ep. 107: Where No One Has Gone Before Nov 28, 2024

Hosted by Loretta Cannon for the AAS-HAD.

Today’s guest: Dr. Linda Spilker (JPL Fellow and Sr Research Scientist: https://science.jpl.nasa.gov/people/Spilker/ ) talks to us about the Voyager mission. She was there for the launch and each planetary flyby!

H’ad astra historia is the official podcast for the Historical Astronomy Division of the American Astronomical Society. We’re here to share stories from and about the people who study the stars, planets, and the cosmos. We’ll be hearing from individuals who not only study the history of astronomy, but also those who lived it, who were “in the room” during pivotal events within the last 50 years or so.

Loretta Cannon (an AAS affiliate via Rose City Astronomers) is a science-and-word-nerd who really likes the stars. She quite enjoys working as HAD’s podcaster, bringing astronomy stories to you.

- NASA’s Voyager HOME page: https://science.nasa.gov/mission/voyager

- Voyager Mission Overview: https://science.nasa.gov/mission/voyager/mission-overview/

- Voyager Mission Status: https://science.nasa.gov/mission/voyager/where-are-voyager-1-and-voyager-2-now/ This page has a table that shows (in real time) elapsed mission time and the distance each spacecraft has traveled (distance from Earth or the Sun). During the Spring (for folks in the northern hemisphere) the distance from Earth will be decreasing; this is normal because the Earth moves around the Sun each year.

- Voyager as seen in NASA’s Eyes on the Solar System:

https://eyes.nasa.gov/apps/solar-system/#/sc_voyager_1

This page is a real treat! You can ‘see’ the spacecraft’s location in real time, or you can move it backwards to watch its travels since 1977, and so much more.

Voyager 1’s Recent Mishap: https://blogs.nasa.gov/voyager/2024/10/28/after-pause-nasas-voyager-1-communicating-with-mission-team/

Podcast music: "Frost Waltz" Kevin MacLeod (incompetech.com), licensed under creative commons: by attribution 4.0 license (http://creativecommons.org/licenses/by/4.0/)

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Big Impact Astronomy - Mirjana Povic: Women in Science: Inspiring Women in STEM Across Africa Nov 27, 2024

Hosted by Mike Simmons.

- Mirjana, born and raised in Serbia during the Balkan Wars, now works on inspiring students, especially women and girls, across Africa.

- Focuses on countries in crisis, using astronomy to bring hope and education.

- **Highlight:** Discover her journey and the profound impact of her work on young girls aspiring to enter STEM fields.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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------------------------------------

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Exoplanet Radio - Ep. 30: The Many Earth-sized Worlds of TOI-700 Nov 26, 2024

https://www.youtube.com/watch?v=2gL95pvc5OI

From Aug 30, 2023.

TRAPPIST-1 has held our attention for a long time because it has so many rocky worlds orbiting a star that may allow some of them to have liquid water. The promise of life is too great to ignore, so we turn our most powerful telescopes to this system whenever possible.

Now there’s been a new system on the block. The Transiting Exoplanet Survey Satellite, or TESS, has brought us the discovery of a system that is every bit as interesting as TRAPPIST-1.

Get all episodes: https://exoplanetradio.com

Music by Geodesium: https://lochnessproductions.com

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Astronomy Cast Ep. 123: Homogeneity Nov 25, 2024

http://www.astronomycast.com/archive/

From January 9, 2009.

As astronomers discovered that we live in a great big universe, they considered a fundamental question: is the Universe the same everywhere? Imagine if gravity was stronger billions of light years away… Or in the past. It sounds like a simple question, but the answer has been tricky to unravel.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Travelers in the Night Eps. 765 & 766: Bright Fireball & Korean Asteroid Hunters Nov 24, 2024

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- Bright fireball meteors sometimes rain pieces of themselves onto the ground for meteorite hunters to discover.

- The Catalina Sky Survey and the Korean teams of asteroid hunters will discover and track Earth approaching objects making the residents of our home planet safer.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Cosmic Savannah Ep. 063: How the Galaxy Evolves, the Quest for Cold Cosmos Nov 23, 2024

Hosted by Dr. Jacinta Delhaize & Dr. Tshiamiso Makwela.

In this episode, Jacinta sits down with Dr. Sthabile Kolwa to discuss the ways in which galaxies change over cosmic time, how astronomers are able to study these changes and what these studies can tell us about the cosmos as a whole.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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EVSN - Mars Could Have Supported Life Longer Than Thought Nov 22, 2024

From February 8, 2022.

A NASA-funded simulation of early Mars revealed that the climate three billion years ago on the red planet was very similar to Earth now, with a stable ocean in the northern hemisphere. This new timeline would have given life another 500 million years to develop. Plus, a dwarf galaxy, Saturn’s aurorae, a Soyuz launch, and an interview with Dr. Adam Szabo, mission scientist for the Parker Solar Probe.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Actual Astronomy - Observing in the Namibian Desert Nov 21, 2024

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com

The Actual Astronomy Podcast presents Observing in the Namibian Desert. Mark Radice from the Refreshing Views YouTube Channel joins us from the Namibian Desert to talk about his experiences under the southern sky. We traverse continents and topics from the planets to the Magellanic Clouds as Mark guides us through his recent journeys.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Big Impact Astronomy - Yumna Majeed: Reaching for the Stars: Inspiring Girls in Pakistan Nov 20, 2024

Hosted by Mike Simmons.

- Yumna is dedicated to astronomy education, inspiring girls in cities and isolated rural regions.

- Often volunteers her own time and resources to follow her passion.

- **Highlight:** Witness her incredible dedication to bringing the wonders of the universe to underserved communities.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Ask A Spaceman Ep. 236: How Exactly Do Black Holes Merge? Nov 19, 2024

How do black holes get close enough to merge? What causes them to emit gravitational waves, and where do the waves come from? What does the merger process look like? I discuss these questions and more in today’s Ask a Spaceman!

This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Follow on Twitter: http://www.twitter.com/PaulMattSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, stargazer, Robert B, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jules R, Mike G, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, C, Kevin B, Michael B, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Herb G, Stephen A, James R, Robert O, Lynn D, Jeffrey C, Allen E, Michael S, Reinaldo A, Jessica M, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B!

Hosted by Dr. Paul M. Sutter.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Astronomy Cast Ep. 734: The Einstein Mission Nov 18, 2024

https://www.youtube.com/watch?v=s25QUO5oQL0

Streamed live on Nov 11, 2024.

Hosted by: Fraser Cain and Dr. Pamela L. Gay.

Another day, another space telescope! Today we’re looking at the newly launched Einstein Probe. A collaboration between the Chinese Space Agency and the European Space Agency. The mission has been operating since January searching the cosmos for short, bright flashes of X-rays.

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Travelers in the Night Eps. 763 & 764: Hogan’s Big Rock & Green Airglow Nov 17, 2024

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- My Catalina Sky Survey teammate Josh Hogan was asteroid hunting in the constellation Sextans with our 60 inch telescope on Mt. Lemmon, Arizona when he discovered the largest asteroid in nearly a decade. 2023 HQ2 is its name.

- The natural night sky is alive with its own lights. In addition to celestial sources often there is natural night sky airglow powered by space weather from above and/or tropospheric activity from below. It is not the Aurora Borealis. Amazing images show green airglow waves which are brighter than the Milky Way.The theory behind these beautiful images remains a mystery.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Guide To Space - The Mars Project! Von Braun's Ideas for a Mars Mission Nov 16, 2024

https://www.youtube.com/watch?v=JVPcRUUlov0

A collaboration with Vintage Space!

From May 22, 2017.

In a special two part episode, Fraser collaborates with space historian Amy Shira Teitel at Vintage Space to investigate what spaceflight advances could have happened. Amy looks at the lost Apollo Missions, while Fraser talks about Werhner Von Braun’s “Mars Project”.

Watch Vintage Space's episode: https://www.youtube.com/watch?v=QUHyDnMS5oo&t=0s

Visit Vintage Space's YouTube channel: https://www.youtube.com/channel/UCw95T_TgbGHhTml4xZ9yIqg

Visit Vintage Space's blog: vintagespace.wordpress.com

The Mars Project: https://www.youtube.com/watch?v=QUHyDnMS5oo

Collier's articles: http://dreamsofspace.blogspot.com/2012/03/colliers-march-22-1952-man-will-conquer.html

Humans to Mars: https://www.nasa.gov/wp-content/uploads/2023/04/sp-4521.pdf

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

EVSN - Aerospace vs Climate Change Nov 15, 2024

From 12 November, 2024.

Let's take a fast-paced journey thru all that's new in space and astronomy, including the first results from Euclid, Roman and Rubin get ready to search for Dark Energy, a deep dive into the effects of rockets and satellites on our atmosphere, and tales from the launch pad.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Cheap Astronomy - Dear CA #111: Practicalities Nov 14, 2024

Practically speaking.

Hosted by the ever practical Steve Nerlich.

Dear Cheap Astronomy – Is in situ resource utilization really worth the trouble?

Here at Cheap Astronomy we tend to say disparaging things about in-situ resource utilization, but usually in response to suggestions that if we want to land on Mars all we have to do is make rocket fuel out of in situ resources to take off again. While ostensibly true, a substantial amount of infrastructure would be needed to both source and refine the ingredients to make that fuel and you’d probably want to experiment with a few different methods, expect a few false starts and have a few trial runs before you’d actually put people on your launch vehicle.

Dear Cheap Astronomy – What exactly is the space economy?

The Space Economy is defined by the OECD as the full range of activities that create value and benefits to human beings in the course of exploring, researching, understanding, managing, and utilising space. As we’ve previously discussed both on this and the fabulous Science on the ISS podcast, exploring, researching and understanding space are important activities– but if we are really going to move forward, more of the managing and utilizing space need to come into play.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Big Impact Astronomy - Debunking Myths and Rediscovering Wonder with Phil Plait Nov 13, 2024

Hosted by Mike Simmons.

- Phil Plait, known as “The Bad Astronomer,” ( https://badastronomy.beehiiv.com ) discusses his journey in science outreach, from debunking astronomy myths to writing popular books and consulting for science fiction.

- He emphasizes the importance of reconnecting people with the wonder of the night sky, combating the disconnection caused by light pollution and digital media.

- **Highlight:** *Science fiction's balance between storytelling and science accuracy:* "The story is more important than getting the science 100% right, but doing both creates a deeper experience."

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Exoplanet Radio Ep. 29: Meet TrES-2b (aka Kepler-1b): The Planet That Reflects Almost No Light Nov 12, 2024

https://www.youtube.com/watch?v=S8gSywBF4bI

From Aug 29, 2023.

Hosted by Tony Darnell.

This planet was discovered in August 2006 by the Trans-Atlantic Exoplanet Survey. It became the very first planet observed by the Kepler Space Telescope with the designation Kepler-1b.

Kepler-1b is a gas giant that is slightly larger than Jupiter and has one and a half times its mass, but orbits much closer to its star than Mercury does to our Sun. It takes only 2.5 days to complete one orbit, meaning that its year is very short. It also rotates synchronously with its star, meaning that one side always faces the star and the other side always faces away. This creates a huge temperature difference between the day and night sides, which can reach up to 1,500 degrees Celsius.

Get all episodes: https://exoplanetradio.com

Music by Geodesium: https://lochnessproductions.com

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Astronomy Cast - Ep. 733: Euclid Of Alexandria Nov 11, 2024

https://www.youtube.com/watch?v=dTC31YkygZE

Streamed live on Nov 5, 2024.

Last week we talked about the mission. This week we’ll talk about Euclid of Alexandria, the ancient Greek mathematician who inspired the mission. Let’s learn about his life and the ground breaking work that made so much of our modern mathematics possible.

Hosted by: Fraser Cain and Dr. Pamela L. Gay.

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon.

https://www.patreon.com/AstronomyCast

Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard, Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit!

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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Travelers in the Night Eps. 761 & 762: Alexandra’s Duo & Kacper’s PHA Nov 10, 2024

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- In less than two hours my Catalina Sky Survey teammate Allesandra Serrano discovered two small fast moving space rocks. Both of them passed through the Earth-Moon system unimpeded. Other space rocks are not so lucky.

- An object like 2023 MN5 impacts Earth once every 90,000 years or so creating a crater 5 miles in diameter an 1800 feet deep in sedimentary rock. 50 miles from the impact of such an object observers would feel the effects of a 7.1 Richter scale Earth. Rest assured that asteroid hunters will continue to track 2023 MN5 as it passes near Earth and Jupiter to make sure that its orbit does not change to make it a threat to humanity.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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NOIR Lab - Quasar In The Early Universe Nov 09, 2024

Observations using the Dark Energy Camera (DECam) confirm astronomers’ expectation that early-Universe quasars formed in regions of space densely populated with companion galaxies. DECam’s exceptionally wide field of view and special filters played a crucial role in reaching this conclusion, and the observations reveal why previous studies seeking to characterize the density of early-Universe quasar neighborhoods have yielded conflicting results. In this podcast, Dr. Trysten Lambert discusses how DECam enabled astronomers to reach this conclusion.

Bios:

Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab in Tucson, Arizona.

Dr. Trystan Lambert’s research career has focused exclusively on extragalactic observational astronomy, exploring both low and high redshift regimes. During his M.Sc. at the University of Cape Town in South Africa, he contributed to the completion of the 2MASS Redshift Survey and developed the galaxy group catalog. He then moved to Chile, where he pursued my Ph.D. at Universidad Diego Portales, studying galaxies and quasars in the epoch of reionization using ALMA and DECam.

Dr. Lambert is currently a Research Associate at the International Centre for Radio Astronomy Research. He spends his days developing tools to identify large-scale structures in redshift surveys, particularly in the Wide Area VISTA Extragalactic Survey (WAVES). Identifying these large-scale structures allows us to map the distribution of dark matter in the local universe and provides a crucial test bed for current cosmological theories.

NOIRLab press release: https://noirlab.edu/public/news/noirlab2422/

Science News Press Release: https://www.sciencenews.org/article/quasar-zapping-star-formation

ICRAR press-release: https://www.icrar.org/quasar-neighbourhoods/

Original Paper: A lack of LAEs within 5Mpc of a luminous quasar in an overdensity at z=6.9: potential evidence of quasar negative feedback at protocluster scales: https://arxiv.org/abs/2402.06870

NOIRLab social media channels can be found at:

https://www.facebook.com/NOIRLabAstro

https://twitter.com/NOIRLabAstro

https://www.instagram.com/noirlabastro/

https://www.youtube.com/noirlabastro

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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EVSN - Aquatic Planets Like Earth Could Abound in Milky Way Nov 08, 2024

From March 10, 2021.

A new study examines the formation of rocky worlds from dust particles containing ice and carbon, increasing the possibility that our own Milky Way galaxy could be filled with aquatic planets similar to Earth. Plus, a simulation of the Milky Way-Andromeda collision and an overview of asteroid Apophis.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Guide To Space - How Do Ion Engines Work? Nov 07, 2024

https://www.youtube.com/watch?v=6H0qsqZjLW0

The Most Efficient Propulsion System Out There

From May 15, 2018.

People always ask me why we’re stuck with chemical rockets. Seriously, exploding a bunch of hydrogen or kerosene is the best we can do?

Good news, there are other, exotic science fiction-sounding propulsion systems out there which use electromagnetic fields to accelerate atoms, allowing their spacecraft to accelerate for months at a time.

I’m talking about ion engines, of course, and several spacecraft have already used these exotic thrusters to perform some of the most amazing missions in the exploration of the Solar System.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Big Impact Astronomy & Astronomy For Equity - Taisiia Karasova: Inspiring Astronomy Education in Wartime Nov 06, 2024

Hosted by Mike Simmons.

Astronomy as a grounding force during war: "In times of extreme stress, focusing on studies and astronomy helps students stay grounded, offering a sense of normalcy and future hope."

Taisiia Karasova, a Ukrainian student at MIT, shares her journey from founding Astro Sandbox to promoting astronomy education in Ukraine, even during wartime. She emphasizes how the Astro Sandbox initiative fosters community and academic excellence in astronomy for high school students through webinars, tournaments, and resource archives.

Big Impact Astronomy: Through the Telescope is a video podcast that highlights the remarkable work of astronomy enthusiasts worldwide. Hosted by Mike Simmons, this podcast showcases how astronomy is used to improve lives in schools, refugee camps, hospitals, and more. Each episode features dedicated volunteers who introduce STEM in developing countries, inspire girls to pursue science careers, and bring hope to communities in crisis. Join us as we explore the stories of these unsung heroes making a difference through the wonders of the cosmos.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Ask A Spaceman Ep. 235: Is it Time to Redefine the Planet? Nov 05, 2024

How did Pluto get demoted? What makes a planet a planet anyway? Why do we now have so many different kinds of planets, and should we make things simpler? I discuss these questions and more in today’s Ask a Spaceman!

This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

Follow on Twitter: http://www.twitter.com/PaulMattSutter

Read a book: http://www.pmsutter/book

Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, stargazer, Robert B, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jules R, Mike G, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, C, Kevin B, Michael B, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Herb G, Stephen A, James R, Robert O, Lynn D, Jeffrey C, Allen E, Michael S, Reinaldo A, Jessica M, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B!

Hosted by Dr. Paul M. Sutter.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Astronomy Cast Ep. 732: The Euclid Telescope Nov 04, 2024

https://www.youtube.com/watch?v=hGHhhcHF23Y

Streamed live on Oct 28, 2024.

Let's look at the Euclid Space Telescope.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

The Euclid 208-Gigapixel image!

https://www.youtube.com/watch?v=86ZCsUfgLRQ

SUPPORTED BY YOU!

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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Every bit helps! Thank you!

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Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Travelers in the Night Eps. 759 & 760: Number 7 & Discover an Asteroid Nov 03, 2024

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- Hungarian astronomer and geography teacher Krisztián Sárneczky was asteroid hunting in the constellation of Lynx with 0.6m (24 inch) telescope at the Piszkéstető station in the Mátra Mountains when an unknown object streaked through a set of his images. It is the 7th such object to be tracked in outer space and then observed to enter our atmosphere. A tiny asteroid the size of 2023 CX1 enters the Earth’s atmosphere about once a month and gives asteroid hunters a chance to practice for a big one.

- Carson Fuls, one of my Catalina Sky Survey teammates, is leading the effort that will allow you to join our NASA funded adventure in asteroid hunting and discovery. You will learn how to scan our nightly archival images to discover new small solar system worlds.Happy asteroid hunting.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!

Share the podcast with your friends and send the Patreon link to them too!

Every bit helps! Thank you!

------------------------------------

Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

http://cosmoquest.org/Donate This show is made possible through your donations.

Thank you! (Haven't donated? It's not too late! Just click!)

------------------------------------

The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

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