NASA, New Craters on the Moon
Planetary scientists believe that small impacts regularly bombard the Moon, but until recently, theyve had no way to distinguish new craters from the already pockmarked lunar surface. In 2009, NASAs Lunar Reconnaissance Orbiter (LRO) arrived at the Moon and began taking highresolution photographs. By comparing pictures taken early in the mission with more recent images, the LRO camera team at Arizona State University has discovered more than twodozen new impact craters including an 18meterwide crate
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