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Ripples in the Ripples

Aug. 18, 2004
This image taken by NASA's Mars Exploration Rover Opportunity shows the dunes that line the floor of 'Endurance Crater.' Small-scale ripples on top of the larger dune waves are evident.

This image taken by the Mars Exploration Rover Opportunity shows the dunes that line the floor of "Endurance Crater." Small-scale ripples on top of the larger dune waves suggest that these dunes may have been active in geologically recent times. The image was taken by the rover's panoramic camera on sol 198 (August 14, 2004).

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