Bill McKinnon and Ices and Seas in the Outer Solar System

Fresh from a conference on satellites of the outer solar system, planetary scientist Bill McKinnon shares his love and fascination for the icy moons at Jupiter, Saturn, and elsewhere, with special attention to Europa, Enceladus, and Titan. Emily Lakdawalla answers a question about xenon, perhaps the most exotic of rocket fuels, and Bruce Betts calls Mat Kaplan from Spacequest with this week's What's Up report on the night sky and a new space trivia contest.