Mars Index - Top Ten MER Images - Top Raw Images
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Two parallel tracks meander across a rock-strewn, sandy, mildly undulating landscape from the upper left horizon to the lower right edge of this panoramic mosaic of black-and-white images.
Beauty in the Eye of the Beholder
Meandering, parallel tracks across the barren surface may not seem like much, until we remember that this is Mars, spinning in space hundreds of millions of miles away from our home planet.

Image Credit: NASA/JPL/Cornell