Mars Science Laboratory Curiosity Richard Cook, MSL deputy project manager, left, and Adam Steltzner, MSL entry, descent and landing (EDL) lead, right, point to the first image taken by NASA's Curiosity rover, which landed on Mars the evening of Aug. 5 on the surface of Mars, during a news conference at NASA's Jet Propulsion Laboratory in Pasadena, Calif., Sunday, August 5, 2012. (AP Photo/Damian Dovarganes)

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