coondoggie writes: "NASA said its Lunar Reconnaissance Orbiter (LRO) spacecraft has found a crater — dubbed Shackleton — on the south pole of the moon that may have as much as 22% of its surface covered in ice. Shackleton, named after the Antarctic explorer Ernest Shackleton, is two miles deep and more than 12 miles wide and because of the Moon's tilt is always in the dark. Using laser light from LRO's laser altimeter NASA said found the crater's floor is brighter than those of other nearby craters, which is consistent with the presence of small amounts of ice."
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