Mars digital-image mosaic merged with color of the MC-29 quadrangle, Eridania region of Mars. The quadrangle is dominated by heavily cratered highlands, with some moderately cratered plains in the central part and large ridge systems in the southern part. The west-central part is marked by a large impact crater, Kepler. Kepler is an ancient remnant of the many large impact events that occurred during the period of heavy bombardment.
Image Credit: NASA/JPL-Caltech/USGS
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