Opportunity s Mars Analemma . ... Credit Copyright: NASA /JPL/Cornell/ASU/TAMU Explanation: Staring up into the martian sky, the Opportunity rover captured an image at 11:02 AM local mean time nearly every 3rd sol, or martian day, for 1 martian year. Of course, the result is this martian analemma , a curve tracing the Sun's motion through the sky in the course of a year (668 sols) on the Red Planet . ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...