Painting With Light

When we read on photographer Eric Curry's Web site that he views certain machines as metaphors for values of character, honor, integrity and pride, we thought his approach would be the perfect way to illustrate the affection many Earth-dwellers have come to feel for NASAs twin Mars Exploration Rovers, which, having long outlasted their life expectancies, are still transmitting from the Martian surface.In this slideshow, Curry explains how he built our March 2010 magazine cover, shot by carefully lit shot. (04:04)