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OUR MANY-FACED MOON: This color-coded elevation map of the Moon's surface shows the effect of early bombardment on planetary crusts in the inner Solar System, including Earth's. Most craters on this map are over 20 kilometers in diameter. The near side (left) and far side (right) present very different cratering records, and thus appearances. These images were made using data from NASA's Lunar Reconnaissance Orbiter, built at Goddard. |