Waiting on the wind

Waiting on the wind
Waiting on the wind Opportunity used her Pancam to take the self portraits above, in January 2014 (left), when her solar arrays was coated in the powdery Martian dust, and in late March 2014 (right) after the winds of Mars whisked off much of the dust from the arrays. As the MER team learned early on, as the Martian winds give, they also take away. In fact, the winds of Mars have enabled this robot to live long and prosper. The team is waiting now on the winds due to begin gusting through Endeavour, so that Opportunity can live to rove another day. NASA / JPL-Caltech / Cornell / ASU

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