A Special Planetary Radio: SpaceShipOne Wins the X Prize!

Join host Mat Kaplan in California's Mojave desert for a special documentary about the October 4th return of Burt Rutan's rocket plane to the edge of space. You'll hear exclusive material not available anywhere else. Planetary Society Executive Director Dr. Lou Friedman adds his thoughts, and Bruce Betts sails in for another What's Up! and his new trivia contest.