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Astronomy Cast

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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!

Oct 5, 2020

Astronomy Cast Ep. 580: Exploding Dwarfs

By Fraser Cain & Dr. Pamela Gay

So you think that a white dwarf star is the end of a stellar life, and it's all downhill from there, a long, slow cool down towards the end of everything. But in some situations even dead stars can get exciting again, briefly becoming some of...

Sep 28, 2020

Astronomy Cast 579: White and Black Dwarf Stars

by Fraser Cain & Dr. Pamela Gay

I've got some bad news for you. Stars die. At some point in the next few billion years or so our Sun is going to start heating up, using up all the fuel in its core, and then eventually die, becoming a white dwarf. It'll then slowly cool...

Sep 21, 2020

by Fraser Cain & Dr. Pamela Gay

So have you heard the news? Of course you have. Evidence of phosphene on Venus. Which could be a biosignature of life on our evil twin planet. There have been a lot of surprising stories about Venus, so let's get you all caught up!