The small spherules on the Martian surface in this close-up image are near Fram Crater, visited by NASA’s Mars Exploration Rover Opportunity during April 2004. (NASA/JPL-Caltech/Cornell/USGS)
Home The small spherules on the Martian surface in this close-up image are near Fram Crater, visited by NASA’s Mars Exploration Rover Opportunity during April 2004. (NASA/JPL-Caltech/Cornell/USGS) The small spherules on the Martian surface in this close-up image are near Fram Crater, visited by NASA's Mars Exploration Rover Opportunity during April 2004. (NASA/JPL-Caltech/Cornell/USGS)
The small spherules on the Martian surface in this close-up image are near Fram Crater, visited by NASA’s Mars Exploration Rover Opportunity during April 2004. (NASA/JPL-Caltech/Cornell/USGS)
