This is CBSI in the world. Hotel Mars, David Livingston, my colleague and co-host and co-pilot is here.

I'm John Batchel, and we're visiting with two astronomers from MIT, Julian DeWitt and Benjamin

Rackham. And we're studying Trappist 1, an ultra-cooled dwarf a little more than 40 light years away is

a mere hump, hop for the enterprise. And what we're looking at now are seven planets like

the seven dwarves, ABC, D, F-G, B and C have had their own paper, but all seven of them

are important to look for. And what are we

looking for? David, your turn. Do each of you have a favorite of the seven planets that you

like to study and why? Julianne? Wow, that's a really good question.

Can I escape it by saying that we really need each of them to help understand the other,

or you want me to go down with one?

Because if you want me to go down with one, I'm probably going to be placing a safe bet

and going for F.

Why, yeah, why, yeah. I was hoping to avoid that follow-up question. Yeah. going for F. YF.

I was hoping to avoid that

follow up question.

Well, you know, there's sleepy, there's dopy, there's doc, you know, YF.

Good point.

F, well, I'm trying to stay within the habitable zone

while moving as far as possible from

the star basically, because right now it seems like B and C, which are outside of the

habitable zone close to the star, may have lost the atmosphere over time, being eroded by the effect of a stellar activity.

And so the further away you go, the chord of the planet,

...