The End of the World, put to music this week on planetary radio. Welcome to the travel show that takes you to the Final Frontier.

I'm Matt Kaplan of the Planetary Society.

As promised, a taste of Dragon Con.

The world's largest science fiction and fantasy convention came to Atlanta once again

over the first weekend in September. We've got an extended excerpt of the

session called These Are the Ways the World Will End, featuring astronomers

Phil Plait and Pamela Gay. You'll also hear a song about that weighty topic. Bill Nye will report on his just

completed trip to the Goddard Spaceflight center and Capitol Hill in Washington, D.C.

While Bruce Betts will step aside for a guest rendition of Random Space Fact, right after he

tells us about the night sky and this week in space history.

First though, a conversation with Emily Lachto-wala about the latest Moon Mission and a 35-year-old

3D movie made on Mars.

Emily, a couple of things to talk about this week.

One of them quite a psychedelic experience, but let's talk about this week. One of them quite a psychedelic experience but let's

talk about grail first. Not one but two spacecraft on the way to the moon.

Yeah this is a pretty cool mission. There are two absolutely identical spacecraft that were launched side by side on a single

Delta 2 rocket that was, by the way, the very last Delta 2 that will be launched from Florida.

There's only one more Delta 2 launch coming up from California.

So that was the end of an era.

Delayed a couple times by extremely irritating,

upper level winds that had even the normally dried NASA TV commentators sounding exasperated.

But finally it went up and the most amazing thing about the launch is that they had a rocket

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