Oh, Oh, Astronomy cast episode 707 what goes into sample return missions for the moon and Mars.

Welcome to astronomy cast our 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 and I'm the publisher of the University day with me as always is Dr. Pamela Gay,

a senior scientist for the Planetary Science Institute and the Director of Cos of Aquest.

Hey Pamela, how you doing?

I am doing well.

I feel like we made it through Groundhog Day

and signs of spring are coming.

The first bulbs have come up.

Yep.

It is all very exciting.

We have made it through another winter, except you have an atmospheric river, sort of.

I don't, I don't know know the folks in California do we're

fine. It's kind of cold and clear right now it's nice and sunny. But so on that

note there's a and I forget the exact sort of myth mythology of this but in Japan they have more seasons.

They don't just have you know spring summer fall winter I mean they have those but they also have

named a bunch of other seasons and like cherry blossom,

the time when you see the cherry blossom, and the time when you see the first ice on the lake,

and it's very sort of evocative of these things that happen on a

yearly basis and so my wife and I have started to note those seasons as well so

first crocus, ducks arrive on our pond, first frog, first time we hear frogs,

...