Astronomy Cast

Latest Episodes:

Ep. 595: Planet Hunting - Revisited Feb 15, 2021

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Astronomy Cast Ep. 595: Planet Hunting - Revisited by Fraser Cain & Dr. Pamela Gay This is gonna be another one of those evergreen topics where we come back again and again. Finding planets. Every time we talk about this now it seems like we've gained thousands of new planets. Well, buckle up! New techniques will grow that by tens of thousands and even millions!

Ep. 594: Juno - Primary Mission Highlights Feb 08, 2021

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Astronomy Cast Ep. 594: Juno - Primary Mission Highlights by Fraser Cain & Dr. Pamela Gay Pamela is always loath to talk about spacecraft until the mission's in space and the science is rolling. NASA's Juno Mission just received a mission extension, adding Jupiter's moons to the menu. Now, finally, we can talk about Juno! [Ed. Juno what I mean?]

Ep. 593: Stellar Parasites Feb 01, 2021

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Astronomy Cast Ep. 593: Stellar Parasites by Fraser Cain & Dr. Pamela Gay Stars often come in groups of 2 or more. And if they're orbiting close enough to each other one star can feast on the other and when that happens, well, mayhem ensues!

Ep. 592: Gamma-Ray Bursts - Updated Jan 25, 2021

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Astronomy Cast Ep. 592: Gamma-Ray Bursts - Updated by Fraser Cain & Dr. Pamela Gay Some of the most powerful explosions in the Universe are gamma-ray bursts, capable of blasting a beam of death half way across the galaxy. In just the last few years astronomers have discovered a tremendous amount about these blasts and what's actually causing them. The answer, of course, is that it's more complicated than we originally thought. The old Gamma-Ray bursts show: http://www.astronomycast.com/2007/05/episode-36-gamma-ray-bursts/

Ep. 591: What Are We Gonna Do With All That Space Junk? Jan 18, 2021

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Astronomy Cast Ep. 591: What Are We Gonna Do With All That Space Junk? by Fraser Cain & Dr. Pamela Gay Remember the good old days when there were only a few thousand living and dead satellites? Well, those days are long over. We're now entering an era where there will be tens of thousands of satellites. Not to mention the spent rocket boosters and other space junk. What kind of risk do we face and what can be done about it?

Ep. 590: Lunar Hazards: Dust, Radiation and More Jan 11, 2021

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Astronomy Cast Ep. 590: Lunar Hazards: Dust, Radiation and More by Fraser Cain & Dr. Pamela Gay 2024 can't come soon enough. You know, that's the year when humans will set foot on the Moon again. Now don't you roll your eyes! That's the plan. Unless the plan changes. But my point is, explorers going to the Moon will need to be concerned about all kinds of hazards, like dust, radiation and gigantic Moon worms. I believe.

Ep. 589 - Lunar Resources: Water (Update) & Other Volatiles Dec 21, 2020

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Astronomy Cast Ep. 589 - Lunar Resources: Water (Update) & Other Volatiles by Fraser Cain & Dr. Pamela Gay We've talked about the Moon and its water many times here on Astronomy Cast, but there've been a bunch of big updates thanks to new research from NASA and others. Today we're gonna give you an update on the state of water on the Moon and the plans to take advantage of it.

Ep. 588 - Lunar Resources: Lava Tubes Dec 14, 2020

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Astronomy Cast Ep. 588 - Lunar Resources: Lava Tubes by Fraser Cain & Dr. Pamela Gay All eyes are on the Moon. We're going back, this time to stay, right? One of the best resources on the Moon will be the lava tubes that criss-cross the subsurface of the Moon. These can provide protection from space, and a look at the geologic history of the Moon, and they can be enormous!

Ep. 587: The Artemis Accords Dec 07, 2020

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Astronomy Cast Ep. 587: The Artemis Accords by Fraser Cain & Dr. Pamela Gay So the Moon is about to become a very busy place with multiple countries and private companies planning missions in the next few years. It's been decades since the Outer Space Treaty was negotiated. It's time for the Artemis Accords!

Ep. 586: Life As We Know It: Habitable Exoplanets & Extremophiles Nov 30, 2020

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Astronomy Cast Ep. 586: Life As We Know It: Habitable Exoplanets & Extremophiles by Fraser Cain & Dr. Pamela Gay As scientists continue to explore the Earth, they're discovering life, surviving and even thriving in extreme environments. What hints can this give us about what we might find as we search for live on other worlds.

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