This self-portrait from overhead shows a side-by-side view of the rover solar panels.  The solar panels on the left appear brown and dusty, while the solar panels on the right are light gray-green and appear wiped clean of dust.

A self-portrait of NASA's Mars Exploration Rover Opportunity taken in late March 2014 (right) shows that much of the dust on the rover's solar arrays has been removed since a similar portrait from January 2014 (left). Both were taken by Opportunity's panoramic camera (Pancam).

Credit

NASA/JPL-Caltech/Cornell Univ./Arizona State Univ.

ENLARGE

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