The next mission to Jupiter, to Jupiter, this week on planetary Radio. Radio. Welcome to Public Radio's travel show that takes you to the final frontier.

I'm Matt Kaplan of the Planetary Society.

Sometimes a half hour just isn't enough time to bring you the universe, no matter how hard we try.

We'll just tease you with a few seconds of Bill Nye, the Science and planetary guy in front of an enthusiastic audience.

Then stick around for a talk with Scott Bolton, principal investigator for the Juno Mission,

leaving for Jupiter in barely a month.

Finally, a quick visit with Bruce Betts for this week's What's Up.

It begins now with the Planetary Society's Science and Technology Coordinator, Emily Loch Duwala.

Emily, good to have you back again, and I think this is going to be a weekly thing for a while

as we see Dawn, see Vesta, closing in. Yeah, Don's getting closer and closer and

closer and Vesta's beginning to come into focus.

I think last week when I first posted some images of Vesta,

it was really hard to see any detail.

A lot of people were seeing faces and monkeys

and other stuff in the images of Vesta. But this week you really can see that Vesta looks very battered. It's got some pretty big

and deep craters in it, which is kind of surprising given its size.

You can see those rotate into view with the animation that they released this week, which contained

quite a number of their images.

You call particular attention to what can be seen at the

Terminator. Anybody who's ever pointed a telescope at the moon, a half moon, knows why.

That's right and I suppose I should be very careful to define Terminator because those of you who are astronomers know what I'm talking about the rest of you are probably thinking of Arnold Schwarzenegger

The Terminator is the day-night boundary on a world. It's where the sun is either rising or

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