Final Approach
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August 3, 2012 Mars Science Laboratory prepares to enter the Martian atmosphere in this artist's concept. The mission, which consists of the nuclear-powered Curiosity rover, is scheduled to land on Mars on the night of August 5. Its target is Gale Crater, a wide basin that may once have been filled with water. A mountain at the crater's center may preserve a record of that watery era. [NASA/JPL]
