The Prometheus Project lights up fire under Solar System Exploration this week on planetary radio.

Hi everyone, welcome to Public Radio's travel show that takes you to the final frontier. I'm Matt Kaplan.

What would we do if we had a hundred or 200

times as much power to move space vehicles among the planets? John Cassani runs a

project with that goal in mind. We'll talk with him about nuclear

electric ion propulsion. And for all of you who were baffled by Bruce Betz's

trivia question about the writing on spacesuits, relief is coming up in today's

what's up segment. Lots going on in our planetary neighborhood this week.

The European Space Agency's Mars Express orbiter may have found evidence for a sea of ice on the red planet.

And we're not talking about something that dried up a million years ago, but one that could

be there right now, a few meters under the surface. You can learn more at planetary.org.

This has a lot to do with a new call by ESA scientists for a European mission to find life

on Mars.

Can't tell your craters without a program.

Kucini is giving us our first close-up look at many of Saturn's moons.

That means there are suddenly lots of surface features crying out for names.

The tale of Jason and the Argonauts is providing the handles for little pockmarked Phoebe.

The cast of characters is listed at planetary.org and spaceship1 is headed for the

Smithsonian the little vehicle that won the X Prize with its sub-orbital

flights will be on display by the end of the year.

I'll be right back with John Kossani of the Prometheus Project.

Here's Emily. Hi, I'm Emily Loch Duwala with questions and answers. A listener asked,

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