Linda Spilker's News from Saturn this week on planetary radio. Planetary Radio.

Welcome to the Travel Show that takes you to the Final Frontier.

I'm Matt Kaplan of the Planetary Society.

Our most frequent guest, Cassini Project Scientist Linda Spilker, is back with another update

from the only spacecraft we have at the Queen of Planets, beautiful Saturn with her rings and moons.

She'll join us right after our usual conversations with Emily Lautauwala and Bill Nye.

Later, Bruce Betts, with another chance to get the science guy's voice on your answering

system.

Emily, great to talk with you again, and it looks like you have finished summarizing your

great time at LPSC?

Not quite, but hopefully by the time people are listening to this, I will have finished.

Lots and lots of notes that she took at the Lunar and Planetary Science conference this year.

There is quite a collection.

I've got to ask you, though, there is a geologist

studying Mars named John Carter.

Yeah, you know, I did a double take when I looked up.

I was like, Jay Carter.

Hmm, let me go find his first name.

So John Carter.

You've got to be kidding me.

I imagine that jokes have been made before, but the work that he was doing was pretty interesting. He was looking at this

distribution of different kinds of clay minerals on Mars. Clay minerals come in different

...