NASA - National Aeronautics and Space Administration

'Berries' on the Ground

This image from the Opportunity rover shows an extreme close-up of round, blueberry-shaped formations in the martian soil near a part of the rock outcrop at Meridiani Planum called Stone Mountain. Scientists are studying these curious formations for clues about the soil's formation. + View Full Size Photo

Photo Credit: NASA/JPL/Cornell

+ View Press Release: Mars Rover Pictures Raise 'Blueberry Muffin' Questions
+ More Opportunity Images from February 12
+ Complete Mars Exploration Rover Image Collection