Wind Erosion
The crater in this image captured by NASA 2001 Mars Odyssey spacecraft has not only been filled by wind-blown material, but that material has been eroded into the two directions of winnowing by continued wind action.
The crater in this image captured by NASA 2001 Mars Odyssey spacecraft has not only been filled by wind-blown material, but that material has been eroded into the two directions of winnowing by continued wind action.