NASA's Mars Global Surveyor shows wind erosion has created yardang ridges and revealed the location of a formerly-buried meteor crater in in the Apollinaris Sulci region of Mars.

12 July 2004
Wind erosion has created yardang ridges and revealed the location of a formerly-buried meteor crater (see lower left corner) in this Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image. This scene is located in the Apollinaris Sulci region near 11.4°S, 181.6°W, and covers an area about 3 km (1.9 mi) wide. Sunlight illuminates the landforms from the left/upper left.

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