The moon is the Rosetta Stone by which we understand the rest of the solar system. NASA's Lunar Reconnaissance Orbiter - or LRO - has been mapping the moon's surface and capturing high-resolution images for more than seven years. New observations from LRO show a surprising number of small meteoroids are transforming the moon's surface much faster than previously thought. Extensive mapping of the moon aids scientists in understanding our planet's history as well as planetary objects beyond the Earth-moon system.
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