Planetary Radio • May 30, 2011
Scattered Clouds and Fog...On Mars
Mark Lemmon is part of several missions to the Red Planet and led development of the main camera on the Phoenix Lander. He has become an expert on Martian weather and climate. Bill Nye is also talking about the weather -- the wild weather we've been having on Earth. Emily Lakdawalla looks back on Mars Exploration Rover Spirit, and Bruce Betts is back with a new space trivia contest on What's Up!