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Catalog of large craters on the Moon By the end of Lunar Reconnaissance Orbiter's first year at the Moon, the Lunar Orbiter Laser Altimeter (LOLA) team had mapped the entire moon and developed the first comprehensive catalog of large craters (colored on this map) from the LOLA data set. (The NASA website from which this image was taken did not explain the meaning of the different colors.) NASA / Goddard / MIT / Brown University