Kelley Clarke, left, celebrates as the first pictures appear on screen after a successful landing inside the Spaceflight Operations Facility for NASA's Mars Science Laboratory Curiosity rover at Jet Propulsion Laboratory  in Pasadena, Calif.,  Sunday Aug. 5, 2012. The Curiosity robot is equipped with a nuclear-powered lab capable of vaporizing rocks and ingesting soil, measuring habitability, and potentially paving the way for human exploration. (AP Photo/Brian van der Brug, Pool) Photo: Brian Van Der Brug
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