In a photo provided by NASA, Mars Science Laboratory Entry, Descent and Landing Engineer Adam Steltzner reacts after the Curiosity rover successfully landed on Mars and as the first images start ... more 
In a photo provided by NASA, Mars Science Laboratory Entry, Descent and Landing Engineer Adam Steltzner reacts after the Curiosity rover successfully landed on Mars and as the first images start coming in to the Jet Propulsion Laboratory, Sunday Aug. 5, 2012, in Pasadena, Calif. (AP Photo/NASA, Bill Ingalls) less 
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Associated Press | Photo By NASA, Bill Ingalls
Mon, Aug 6, 2012 9:14 PM EDT