Telecom engineer Peter Llott, center, hugs a colleague to celebrate the successful landing of NASA's Mars Science Laboratory Curiosity rover inside the Spaceflight Operations Facilityat the Jet Propulsion Laboratory in Pasadena, Calif., Sunday, August 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)

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