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Credit: NASA/JPL/Cornell

Transit of Phobos across the Sun as seen from Mars Exploration Rover Opportunity on March 10 2004. Times in the table below are Martian local solar time as given by JPL.

Original filename: http://marsrovers.jpl.nasa.gov/gallery/all/1/p/045/1P132176262ESF05A6P2670R8M1.JPG [4]

The timestamp built into the filename is 132176262 seconds since the J2000.0 epoch ([5]), or March 10 2004 07:36:37.816 UTC (the three-decimal-digit precision is of course not real).

• Opportunity image gallery: Sol 45 archive copy at the Wayback Machine (small images of the March 10 2004 transit are near the middle of the page).