Dr. Jennifer Elgenbrode, from Goddard Space Flight Center, foreground, talks as Dr. Mary Voytek and Dr. Michael Meyer, far right, look on during a Mars Program Update where prominent scientists discussed evidence of water on Mars, current Program status, including the 7th Anniversary of the Mars rovers and the upcoming Mars Science Laboratory mission and previewing exciting discoveries to come, Thursday, Jan. 13, 2011, at the Smithsonian National Air and Space Museum in Washington. Photo Credit: (NASA/Paul E. Alers)
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