Planetary Radio • Nov 16, 2009
We're Back! Bill Nye Describes the LightSail Project
Come sailing with us! Bill Nye the Science and Planetary Guy satisfies your curiosity about The Planetary Society's LightSail project in a special conversation. First though, Emily Lakdawalla provides updates on the discovery of water hiding in the Moon's permanent shadows and Mars Exploration Rover Spirit's attempt to free itself from a sand trap. Puppies from space! Bruce Betts and Mat Kaplan will explain in this week's edition of What's Up as they offer a new space trivia contest.