Mars in a Grain of Sand
Jet Propulsion Laboratory https://www.jpl.nasa.gov/ Feb. 4, 2004
This image highlights the patch of soil examined by the rover's microscopic imager on the 10th day, or sol, of its mission. The outer image was taken by the rover's navigation camera, the middle image by the panoramic camera and the inner image by the microscopic imager. Opportunity is currently sitting 1 meter (3 feet) away from its now-empty lander in a shallow crater at Meridiani Planum, Mars.