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Spirit Spies Wavy Bedforms
Spirit took this front hazard-avoidance camera
image on sol 37 (Feb. 9, 2004) after completing the longest drive
ever made by a rover on another planet - 21.2 meters (69.6 feet).
The wavy feature called a bedform is created when material is
transported and deposited by some process - in this case wind. The
team is interested in the fact that the crests of this and most
other bedforms they've observed through orbital data and rover
images are all parallel to each other, indicating uniform wind
direction.
From: NASA/JPL
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