The Many Missions of JPL's Kevin Baines

Kevin Baines of the Jet Propulsion Laboratory has a piece of the action in more interplanetary missions than most planetary scientists. We talk with him about Venus Express, Cassini, New Horizons, and the possibility of a balloon in the thick atmosphere of Venus. Emily Lakdawalla's Q&A about the mysterious double ridges of Europa. Bruce Betts with What's Up in the night sky and a new space trivia contest.