NASA - National Aeronautics and Space Administration

Mars Under the Microscope

This magnified look at the martian soil near the Mars Exploration Rover Opportunity's landing site, Meridiani Planum, shows coarse grains sprinkled over a fine layer of sand. The image was captured on the 10th day, or sol, of the rover's mission by its microscopic imager and roughly approximates the color a human eye would see.

Photo Credit: NASA/JPL/Cornell

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