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Last updated on April 17, 2014 at 1:21 EDT
Moon Centered on the Mare Orientale Basin
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Moon Centered on the Mare Orientale Basin

September 30, 2003
Lunar Orbiter 4 image of the Moon centered on the Mare Orientale Basin. The outermost circle of the "bull's eye" is the Cordillera Mountain scarp, almost 900 kilometers in diameter.