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NASA scientists comment on the newest image of the tracks left by NASA's Curiosity rover on the surface of Mars at NASA's Jet Propulsion Laboratory in Pasadena, Calif., Monday, Aug. 27, 2012. From left: Dave Lavery, Program Executive for Solar System Exploration at NASA Headquarters, Mike Malin, imaging scientist for the Mars Science Laboratory, John Grotzinger, MSL project scientist, California Institute of Technology, Paul Mahaffy, NASA Goddard Space Flight Center, and Dr. Chad Edwards, Chief Telecommunications Engineer for the Mars Exploration Program at JPL. The Mars image was taken by a front Hazard-Avoidance camera, which has a fisheye lens. (AP Photo/Damian Dovarganes)

Associated Press
NASA scientists comment on the newest  image of the tracks left by NASA's Curiosity rover on the surface of Mars at NASA's Jet Propulsion Laboratory in Pasadena, Calif., Monday, Aug. 27, 2012. From left: Dave Lavery, Program Executive for Solar System Exploration at NASA Headquarters, Mike Malin, imaging scientist for the Mars Science Laboratory, John Grotzinger, MSL project scientist, California Institute of Technology, Paul Mahaffy, NASA Goddard Space Flight Center, and Dr. Chad Edwards, Chief Telecommunications Engineer for the Mars Exploration Program at JPL. The Mars image was taken by a front Hazard-Avoidance camera, which has a fisheye lens.  (AP Photo/Damian Dovarganes)
NASA scientists comment on the newest image of the tracks left by NASA's Curiosity rover on the surface of Mars at NASA's Jet Propulsion Laboratory in Pasadena, Calif., Monday, Aug. 27, 2012. From left: Dave Lavery, Program Executive for Solar System Exploration at NASA Headquarters, Mike Malin, imaging scientist for the Mars Science Laboratory, John Grotzinger, MSL project scientist, California Institute of Technology, Paul Mahaffy, NASA Goddard Space Flight Center, and Dr. Chad Edwards, Chief Telecommunications Engineer for the Mars Exploration Program at JPL. The Mars image was taken by a front Hazard-Avoidance camera, which has a fisheye lens. (AP Photo/Damian Dovarganes)
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