Spacecraft's Lunar Crash Won't Hurt the Moon, NASA Says

The moon is due for a double whammy from two NASA probes Friday, with scientists assuring some skeptics that smacking the lunar surface with spacecraft is really okay.NASA's LCROSS mission will slam a spacecraft and an empty rocket stage into the moon's south pole Friday morning at 7:31 a.m. EDT (1131 GMT) in a search for water ice buried in the perpetual shadows of lunar craters.Scientists are