This 360-degree mosaic of images from the navigation camera on NASA's Mars Exploration Rover Opportunity shows the view from the western rim of "Santa Maria" crater on the 2,454th Martian day, or sol, of Opportunity's work on Mars (Dec. 19, 2010).
The crater is about 90 meters (295 feet) in diameter. This view is presented as a polar projection, with north at the top.
NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Exploration Rover Project for the NASA Science Mission Directorate, Washington.