A NASA probe carried on the Chandrayaan-1 lunar orbiter that India launched last year is searching for frozen water in deep, dark craters on the moon, because water would be critical to any long-term human presence on the pale orb. The Mini-SAR instrument, a lightweight, synthetic aperture radar, has passed its initial in-flight tests and sent back its first data. Images show the floors of permanently-shadowed polar craters on the moon that aren't visible from Earth. Scientists are using the…
U.S. Probe On Indian Satellite Hunts For Frozen Water In Deep, Dark Lunar Craters
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