Complex of rectilinear intersecting ridges in the south polar region. This 20 x 14 km area image (frame 7908) is centered near 81.5 degrees south, 65 degrees west, taken by NASA's Mars Global Surveyor Orbiter.

Complex of rectilinear intersecting ridges in the south polar region. This 20 x 14 km area image (frame 7908) is centered near 81.5 degrees south, 65 degrees west.

Figure caption from Science Magazine.

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