Planetary Radio • Apr 14, 2008

A Mars Rover Update From Steve Squyres

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On This Episode

Steve Squyres

Mars Exploration Rover Principal Investigator for Cornell University

The Principal Investigator for Spirit and Opportunity gives us a status report on the incredibly successful rovers that continue to explore Mars. Bill Nye the Science Guy comments on the rings that appear to surround one of Saturn's small moons. Last week Emily Lakdawalla told us why objects in space are round. This time her Q&A explains why they're not. Bruce Betts and Mat Kaplan take a What's Up look at the night sky and announce a new space trivia contest.