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Astronomy Cast

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Nov 23, 2020

Astronomy Cast  585: Super Earths, Mini-Neptunes & Gas Dwarfs

by Fraser Cain & Dr. Pamela Gay

Astronomers are finding even more new extrasolar planets and they're starting to discover entirely new categories. There are classes of planets out there that we just don't have any analog here in the solar system. Let's talk...

Nov 2, 2020

Astronomy Cast Ep. 584: Sample Return Missions From Asteroids

by Fraser Cain & Dr. Pamela Gay

So with a sample of asteroid Bennu firmly inside OSIRIS-REx's return capsule, it's time to bring this treasure home. So scientists can study the composition and history of the space rock. But it's not the only sample return...

Oct 26, 2020

Astronomy Cast Ep. 583: The 2020 Nobel Prize in Physics

by Fraser Cain & Dr. Pamela Gay

This year's Nobel Prize in Physics was awarded to three brilliant researchers who worked out some of the secrets of black holes. Today we're going to talk about the chain of discoveries that led to this award.

Oct 19, 2020

Astronomy Cast Ep. 582: Building Bigger Black Holes

by Fraser Cain & Dr. Pamela Gay

Did you hear the news? Nobel prizes for Black Holes! Now, we know there are stellar mass black holes and supermassive black holes, but how do you get from one to the other? How do black holes get more massive?

Oct 12, 2020

Astronomy Cast Ep. 581: Other Kinds Of Novae

by Fraser Cain & Dr. Pamela Gay

Don't ever accuse us of not comprehensively covering every kind of exploding star. This week we gather up all the left over ways that stars partially or fully explode or don't. Probably. Enjoy!