(Visit: http://www.uctv.tv) Steven Squyres, Professor of Astronomy at Cornell University, has participated in a number of NASA's planetary space flight missions, including the Voyager mission to Jupiter and Saturn, the Magellan mission to Venus, the Near Earth Asteroid Rendezvous mission, and the Mars Exploration Rover Project. Here he ponders the future of planetary exploration. Series: "UC Berkeley Graduate Lectures" [7/2011] [Science] [Show ID: 21041]