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In this image provided by NASA the Mars ...
AP - Sab 30 Ago - 08.27In this image provided by NASA the Mars Exploration Rover Opportunity climbed out of "Victoria Crater" Thursday Aug. 28, 2008 following the tracks it had made when it descended into the 800-meter-diameter (half-mile-diameter) bowl nearly a year earlier. The rover's navigation camera captured this view back into the crater just after finishing a 6.8-meter (22-foot) drive that brought Opportunity out onto level ground during the mission's 1,634th Martian day, or sol. The rover laid down the first tracks at this entry and exit point during its 1,291st sol (Sept. 11, 2007), after about a year of exploring around the outside of Victoria Crater for the best access route to the interior. (AP Photo/NASA)