Peering Down at Huygens: Cassini Revisits Mysterious Titan

While continuing to orbit Saturn, the Cassini spacecraft has once again visited the cloud-shrouded moon Titan. Deputy leader of the Cassini radar team Steve Wall talks with us about the spectacular yet puzzling images returned by the spacecraft's RADAR instrument, including shots of the Huygens landing site and a possible shoreline. Emily Lakdawalla sorts asteroids in the Q&A segment, while Bruce Betts asks a new trivia contest question and unveils an opportunity for some listener to become part of the What's Up segment.