This self-portrait of NASA's Mars rover Curiosity shows the rover's stunt double on Earth at the Jet Propulsion Laboratory in Pasadena, Calif. Scientists used the test rover to check photo ... more 
This self-portrait of NASA's Mars rover Curiosity shows the rover's stunt double on Earth at the Jet Propulsion Laboratory in Pasadena, Calif. Scientists used the test rover to check photo instructions for Curiosity's full self-portrait on Mars less 
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SPACE.com | Photo By NASA/JPL-Caltech/MSSS
Fri, Dec 28, 2012 12:36 PM EST