Radio and Plasma Wave Science Team Lead, Cassini Mission
Saturn's northern and southern hemispheres do not rotate at different rates, but the data might make you think so. We get an explanation from space exploration pioneer Don Gurnett, the Cassini Mission Radio and Plasma Wave Science Team Lead. Also hear his eerie ringed planet sounds. Emily Lakdawalla returns with highlights of the Planetary Society blog. Bruce Betts has a new space trivia contest and a new supernova to scare Mat Kaplan.