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‘Spirit Mound’ at Edge of Endeavour Crater, Mars (Stereo)

"Spirit Mound" on Mars
This stereo scene from NASA's Mars Exploration Rover Opportunity shows "Spirit Mound" overlooking the floor of Endeavour Crater.

This stereo scene from NASA’s Mars Exploration Rover Opportunity shows “Spirit Mound” overlooking the floor of Endeavour Crater. The mound stands near the eastern end of “Bitterroot Valley” on the western rim of the crater, and this view faces eastward.

The image combines views from the left eye and right eye of the rover’s panoramic camera (Pancam) to appear three-dimensional when seen through blue-red glasses with the red lens on the left. The component images were taken on Sept. 21, 2016, during the 4,501st Martian day, or sol, of Opportunity’s work on Mars

For scale, the two rocks at lower center are each about 8 inches (about 20 centimeters) across. At the mound’s crest line, the image covers an area about 28 feet (about 8.5 meters) wide.

The informal name the rover’s science team chose for this feature refers to Spirit Mound in South Dakota. The team is using names of sites visited by the Lewis and Clark Expedition as informal names for features in Mars’ Bitterroot Valley (named for a valley that the expedition visited in Montana).

Image Credit: NASA/JPL-Caltech/Cornell/Arizona State Univ.