Universe Today Podcast

Latest Episodes:

[Q&A] More To Come From JWST, Starlink Interferometer, TESS vs Kepler Nov 22, 2023

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Did James Webb already reach its full potential or is there more to come from it? How does TESS compare to Kepler? Can we use Starlinks as a giant space-based interferometer? Can we rip a black hole apart to see what's inside? Answering all these questions and more in this week's Q&A!

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00:00 Start
00:54 [Andoria] Were primordial gravitational waves stretched?
07:15 [Vulcan] Are black holes the same with very early Universe?
09:28 [Risa] TESS vs Kepler
12:18 [Aeturen] Can starlinks be used as an interferometer?
15:23 [Vendikar] Can meteors from Venus be on Moon or Mars?
17:40 [Remus] Bogus discoveries
21:38 [Janus] Will a Dyson sphere be unstable?
25:51 [Cait] Have we found aliens yet?
25:57 [Betazed] Did JWST show its full potential?
28:46 [Cheleb] Can we rip a black hole to see what's inside?
30:39 [Nimbus] Can we mine a neutron star?
32:35 [Belos] Rogue exoplanets found in the Orion nebula
35:12 [Lyar] Do I get bored of my job?
38:13 [Zalcon] Triton
40:29 [Arret] Biggest missed opportunity in space?

📺 VIDEO VERSION
https://youtu.be/Tx3kl2sycHE

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Mars Samples By 2031 // Starship's GO For Launch // Oumuamua NOT Interstellar? Nov 17, 2023

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China is planning a Mars Sample Return Mission. James Webb tracks water moving towards planets. The Hubble Tension has gotten even more tense.

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00:00 Intro
00:12 China's Mars Sample Return Mission
https://www.universetoday.com/164186/china-wants-to-retrieve-a-sample-of-mars-by-2028/
02:36 Active Oort Cloud
https://www.universetoday.com/164213/the-oort-cloud-might-be-more-active-than-we-thought/
04:40 Amateur supernova discovery
https://www.universetoday.com/164136/an-amateur-astronomer-discovered-one-of-a-kind-supernova-remnant/
06:54 Vote results
07:29 JWST sees water transfer
https://www.universetoday.com/164249/jwst-shows-ice-covered-pebbles-delivering-water-to-new-planets/
09:13 Lunar swirls
https://www.universetoday.com/164277/the-lunar-swirl-mystery-deepens/
10:42 Regolith landing problem
https://www.nasa.gov/general/rocket-exhaust-on-the-moon-nasa-supercomputers-reveal-surface-effects/
11:55 Support us on Patreon
12:48 Hubble Tensions gets worse
https://www.universetoday.com/164198/if-you-account-for-the-laniakea-supercluster-the-hubble-tension-might-be-even-larger/
14:24 Starship Launch
https://www.universetoday.com/164220/starship-could-be-ready-to-launch-on-friday/
15:03 More on interstellar objects

📺 VIDEO VERSION
https://youtu.be/tqsRBKgpJsI

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[Interview] 35 Million Galaxies in One Catalog to Understand Dark Energy Nov 16, 2023

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How large surveys of our galactic neighbourhood can help us better understand dark energy? What more can we learn from them? What instruments and techniques are used for this? Answering all these question and more with Dr John Moustakas.

More interviews:
👉 Understanding Dark Energy
https://youtu.be/2Y6KK94GaXc?si=twg4yVmpxDSBJFgA
👉 Time-Domain Astronomy Dr James Davenport
https://www.youtube.com/watch?v=ZCWrrL4fP5c&ab_channel=FraserCain

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00:00 Intro
01:14 Understanding our extra-galactic environment
05:58 Siena Galaxy Atlas
10:38 New Era in Astronomy
16:10 Dark Energy Spectroscopic Instrument
31:06 How can we solve Dark Energy
51:01 Obsessions
55:31 Final thoughts and more interviews

📺 VIDEO VERSION
https://youtu.be/3h6dwiPN0Fc

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[Q&A] New Space Race, Dyson Spheres in Cosmic Voids, Protection from Solar Storms Nov 14, 2023

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Can dark energy be just empty space and nothing else? Is there a new space race going on? Why is NASA so slow with its Moon plans? Is there an upper limit for a star? Answering all these questions and more in this week's Q&A.

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https://www.goodreads.com/group/show/1198440-universe-today-book-club

00:00 Start
01:07 [Andoria] Is dark energy just empty space?
06:29 [Vulcan] Canadian accent
08:48 [Risa] What if a nebula collapsed back on its central neutron star?
12:11 [Aeturen] Why not use a satellite on a cycler orbit for high-bandwidth data transfer?
16:25 [Vendikar] Is a new space race on?
21:20 [Remus] How can NASA be so slow?
23:57 [Janus] Can space voids actually be Dyson spheres?
26:25 [Cait] What's the upper limit of star mass?
28:42 [Betazed] How can we protect against solar flares?
32:14 [Cheleb] Controversial topics among science discoveries
36:46 [Nimbus] What is the latest news about life on Europa?

📺 VIDEO VERSION
https://youtu.be/D6y0xNGmDUc

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[Interview] Early Dark Energy and Other Possible Solutions for The Crisis in Cosmology Nov 13, 2023

Show notes

The so-called Crisis in Cosmology didn't go anywhere. Different methods are giving different values for the Hubble Constant creating one of the most interesting mysteries in Astronomy. What possible solutions do we have? Discussing them with Dr Sunny Vagnozzi.

📄 Seven hints that early-time new physics alone is not sufficient to solve the Hubble tension
Sunny Vagnozzi
https://arxiv.org/abs/2308.16628

More interviews:
👉 A Big Problem with Modern Science Communication
https://youtu.be/zGV6mZuULj8
👉 Understanding Dark Energy With Most Detailed Supernovae Survey
https://www.youtube.com/watch?v=2Y6KK94GaXc&ab_channel=FraserCain

🦄 Support us on Patreon:
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📚 Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club

00:00 Intro
02:00 What is the Hubble Tension
06:56 Implications of Early Dark Energy
10:45 Consistency of Lambda-CDM
17:37 Early ISW effect
28:17 Relative ages of old galaxies
33:22 Descending trends
35:46 How will we know it's right or wrong
43:10 What might be the answer
48:03 Current obsessions
51:14 More thoughts and more interviews

📺 VIDEO VERSION
https://youtu.be/XRKX9ElmOQk

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[Space Bites] INCREDIBLE Discovery From Lucy // Most Powerful Ion Engine // Slime Mold Universe Nov 10, 2023

Show notes

Lucy made an incredible discovery. One of the strangest exoplanetary systems ever seen. Understanding the Universe with slime mold. And the most powerful ion engine passes the test.

🦄 Support us on Patreon:
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📚 Suggest books in the book club:
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00:00 Intro
00:15 Dinkinesh's contact binary moon
https://www.universetoday.com/164152/what-wow-that-new-asteroid-image-from-lucy-just-got-even-more-interesting/
01:36 Polar Circumbinary Planet Disk
https://www.universetoday.com/164077/this-is-a-first-an-exoplanet-in-a-polar-circumbinary-disc-surrounding-two-stars/
03:37 JWST sees CO2 on a centaur
https://www.universetoday.com/164066/jwst-detects-carbon-dioxide-in-a-centaur-for-the-first-time/
05:28 Slime mold and the Universe
https://www.universetoday.com/164120/what-can-slime-mold-teach-us-about-the-universe/
07:23 Vote results
https://youtu.be/xubOa8xR2lw
07:54 Can Gaia detect gravitational waves
http://arxiv.org/abs/2311.03474
09:37 Most powerful ion engine test
https://www.universetoday.com/164072/the-most-powerful-ion-engine-ever-built-passes-the-test/
11:30 Newsletter
https://www.universetoday.com/newsletter
12:13 Euclid's first images https://www.esa.int/Science_Exploration/Space_Science/Euclid/Euclid_s_first_images_the_dazzling_edge_of_darkness
13:46 Water Map
15:00 Apple Podcasts reviews
17:22 More on asteroids and space exploration

📺 VIDEO VERSION
https://youtu.be/c6z1octUAak

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[Interview] The LIFE Telescope. Next Gen Planet Hunter Nov 09, 2023

Show notes

You asked for it, so it's here. A big interview about a proposed mission called LIFE that could help us revolutionise planet hunting. My guest is Dr Daniel Angerhausen from EHT Zurich.

More interviews:
👉 Weird Gap in Exoplanet Sizes
https://youtu.be/MuH2BlHdAyw
👉 JWST as a Planet Hunter
https://youtu.be/6b377MO20uE

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📚 Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club

00:00 Intro
01:26 Search for habitable planets
06:19 The LIFE mission
07:45 Nulling
19:44 Biggest challenges
21:16 What can we expect
32:46 Technosignatures and Biosignatures
38:21 Current status of LIFE
43:55 Obsessions
46:36 More thoughts and more interviews to watch

📺 VIDEO VERSION
https://youtu.be/BtSn_PTQtds

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[Q&A] Things to See Before You Die, Reigniting A Dead Star, Types of Black Holes Nov 07, 2023

Show notes

How do we know that Psyche is a metal asteroid? Did primordial gravitational waves stretch when inflation happened? When do we finally get more Trappist-1 data from JWST? Can a dead star possibly reignite?

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00:00 Start
00:53 [Andoria] Why is the Ice Cube Observatory at the South Pole?
05:49 [Vulcan] Can a dead star reignite?
09:51 [Risa] What about asteroid mining?
15:18 [Aeturen] How do we know Psyche is a metal asteroid?
17:40 [Vendikar] Are there different types of black holes?
21:13 [Remus] How to monitor auroras?
24:30 [Janus] How fast do gravitational waves go?
26:23 [Cait] How many black holes are there?
29:40 [Betazed] What if you go too close to a gravitational wave event?
31:45 [Cheleb] Astronomy bucket list?
35:13 [Nimbus] Trappist-1d and 1e from JWST. Wen?
37:41 [Belos] From how far away can you detect life on Earth?

📺 VIDEO VERSION
https://youtu.be/aUyevaUmAbo

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[Space Bites] Ancient Planet Inside Earth // HUGE Exoplanet Discovery // Cannibal Betelgeuse Nov 03, 2023

Show notes

A new system found with 7 Earth and Super-Earth Sized planet, the remains of another planet inside the Earth, and it’s time to replace your wallpaper again with this new image of the Crab Nebula from JWST.

🦄 Support us on Patreon:
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📚 Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club

00:00 Intro
00:18 Sun-like star system with 7 planets
- https://www.nasa.gov/general/scorching-seven-planet-system-revealed-by-new-kepler-exoplanet-list/
02:54 Ancient planet inside Earth
- https://www.caltech.edu/about/news/the-remains-of-an-ancient-planet-lie-deep-within-earth
04:11 Cannibal Betelgeuse
- https://www.universetoday.com/163998/did-betelgeuse-consume-a-smaller-star/
06:16 Crab nebula by JWST
- https://www.universetoday.com/163977/the-crab-reveals-its-secrets-to-jwst/
07:54 Vote results
- https://youtu.be/nQXPuYTMAoM
08:26 SagA spinning as fast as possible
- https://www.universetoday.com/163924/the-milky-ways-black-hole-is-spinning-as-fast-as-it-can/
10:17 Rogue planet factories
- https://www.universetoday.com/163940/misaligned-binary-star-systems-are-rogue-planet-factories/
12:19 Support us on Patreon
13:02 Lucy flyby
- https://www.nasa.gov/image-article/nasas-lucy-spacecraft-discovers-2nd-asteroid-during-dinkinesh-flyby/
13:46 Map of ice on Mars
- https://www.universetoday.com/163937/a-new-map-shows-where-mars-is-hiding-all-its-ice/
15:01 Collapsed lava chamber
- https://www.universetoday.com/164015/a-collapsed-martian-lava-chamber-seen-from-space/
16:08 Lava tubes for Mars exploration

📺 VIDEO VERSION
https://youtu.be/xubOa8xR2lw

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[Interview] Did Venus Have Plate Tectonics? Oct 31, 2023

Show notes

Plate tectonics might be the key to why Venus had become the hell it is right now. Some think that it just never had it. But recent studies suggest that Venus did have plate tectonics at the same time Earth did. Why is it important? Figuring it out with Dr Matt Weller.

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📚 Suggest books in the book club:
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00:00 Intro
01:23 How bad Venus really is
04:44 Plate tectonics
17:05 Will Earth follow Venus' fate
18:40 When was Venus habitable
20:54 How can we learn more
28:00 Finding similar things in exoplanets
32:35 Current obsessions

📺 VIDEO VERSION
https://youtu.be/R18W6VVZMhc

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