http://www.physorg.com/news174284169.html This artist's rendering provided by NASA via Brown University shows the Centaur upper stage rocket separating from its shepherding spacecraft on a trajectory toward the moon. On Friday, Oct. 9, 2009, NASA will crash the Lunar Crater Observation and Sensing Satellite, or LCROSS, into a crater on the moon’s south pole to search for evidence of water ice. (AP Photo/NASA)