Space Elevator Games and Serious Planetary Science

A busy show features a preview of the Spaceward Games from Spaceward Foundation co-founder Ben Shelef, working toward achieving the technology that would enable a space elevator. Then Emily Lakdawalla reviews highlights of the 39th annual meeting of the American Astronomical Union's Division of Planetary Sciences. Emily also travels to Saturn's rings in her regular Q&A segment, while Bruce Betts and Mat Kaplan look to the stars in What's Up, and present a new space trivia contest.