Hi everyone, producer Susie here. We greatly appreciate your support listening to astronomy

cast. And we'd like to ask another small favor you can do to support our work. Just go

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Astronomy cast episode 543 Weird Issues. The Habitable Zone. Welcome to Astronomy Cast, a weekly

facts based journey through the Cosmos where we help you understand not only what we know,

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

Dr. Pamela Gaye, Senior Scientist for the Planetary Science Institute and the Director of

CosmoQuest. Hey, Pamela, how you doing? I'm doing well. How are you doing, Fraser? Great.

What's new? It suddenly became fall. It went from in the 90s Fahrenheit to in the 50s in the

two weeks that I was away. And I feel like I missed a season in there and I would have enjoyed it.

Yeah, all the leaves turned to brown and yellow. And then we had a big storm come in and it just

threw them all off the tree. So normally you get like a couple of weeks of like really nice

leaves, but we've just had storm after storm. And so every leaf that's on the tree is all just

down already. So here comes the raking and the, you know, the wheelbarrowing to clean off the lawn.

Adulting is hard. Yeah, it really is.

All right, our series on Universe Weirdness marches on this week. We take a look at the habitable zone

and how things aren't as simple as we once thought. Right, Pamela? I sort of the same game we've

been playing every week. You head back 10 years and ask 10 years ago, Pamela, what is the habitable zone?

I would have said that you take a sunlight star and assume that those are the only kinds of

stars that can have earth like planets. Right. And then you find that area, the correct distance

...