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Astronomy Cast Episode 518

What do you do with Astronomy Cast?

A weekly, facts-based journey through the Cosmos, to help you understand not only what we know,

but how we know what we know. I'm Fraser Kane, publisher of the universe today, with me, as always,

Dr. Pamela Gay, a senior scientist for the Planetary Science Institute, and the Director of Cosmo

Quest. Hey Pamela, how are you doing? I'm doing well. How are you doing? Great. Rumor has it.

You're going to say a bunch of names at the end of this episode. I am. We are working on

thanking all of our Patreons who have donated at the appropriate levels, which is $10 and up.

So we're not going to do it all in one episode because that's a lot of names. We are so grateful

for all of you, but we're going to spread it out over a few episodes. So today is the first day

of saying thank you. All right, so if you are one of the Patreons at that level,

listen to the end and hear Pamela say your name. And if you're not, then you should consider it.

Yes. Join the Patreon campaign, and then you will know that you're contributing to helping out

with science, and you'll hear Pamela say your name. And that's at going to patreon.com slash

astronomy cast. Exactly. All right. We always say the universe is trying to kill us, but there was

this one time when the universe used our own fear of nuclear attack against us, nearly setting off

...