A Nasa spacecraft destined to crash into a Moon crater in the hunt for hidden caches of water ie has a new target, the space agency announced Monday. The decision means that Nasa's lcross probe and its spent Centaur rocket stage will now crash into the large crater Cabeus, and not the nearby and smaller Cabeus A crater previously targeted, when they slam into the moon on October 9. Scientists pulled the lunar switcheroos based on a continuing analysis data afrom recent moon-watching spacecraft. The data sugests the new target Cabeus has the highest concentration of hydrogen, an indication of possible water ice, than anywhere else at the lunar south pole.
"The cross team concluded that Cabeus provided the best change for meeting its mission goas," mission managers said in a statement. The news comes less that a week after scientists announced the discovery of water on the moon in the form of water molecules bound to the lunar dirt.
Cabeus is a large crater about 60 miles (98 km) in diameter that sits at 84.0 degree south, 35.5 degrees west at the moon's south pole. It has two nearby satellite craters: the 25-mile (40 km) wide Cabeus A and Cabeus B, which is about 38 miles (61 km) in diameter. The cross probe, officially called the lunar Crater Observation and Sensing Satellite, is a pair of vehicles headed for one of the most watched cosmic collisions.
Friday, October 2, 2009
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