NASA's Mars Reconnaissance Orbiter acquired this color image on March 9, 2011, of 'Santa Maria' crater, showing NASA's Mars Exploration Rover Opportunity perched on the southeast rim. The rover is the bluish speck on the crater rim (arrow).
Mars Orbiter Sees Rover Opportunity at Crater Edge
NASA's Mars Reconnaissance Orbiter acquired this image of the Opportunity rover on the southwest rim of 'Santa Maria' crater on New Year's Eve 2010. Opportunity is imaging the crater's interior to better reveal the geometry of rock layers.