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An elongated crater called "Spirit of St. Louis," with a rock spire in it, dominates a recent scene from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity.make differences in surface materials more easily visible. In this version of the image, the landscape is presented in false color to make differences in surface materials more easily visible. Opportunity completed its 4,000 Martian day, or sol, of work on Mars on April 26, 2015. The rover has been exploring Mars since early 2004. This scene from late March 2015 shows a shallow crater called Spirit of St. Louis, a…
