Probably the most remarkable success in America’s space program (outside of being able to put humans on the Moon in 1969 after just eight years), has to be the story of two robotic rovers, Spirit and Opportunity, trucking around on Mars for more than two years. No one appears more surprised at their longevity than the teams of scientists and engineers who built and still operate these remarkable machines, except possibly the film crew that set out to chronicle their adventures for Walt Disney and IMAX. "Roving Mars" takes us all on an unforgettable journey to the Red Planet, piggybacking...