NASA has successfully steered an empty rocket hull into the moon's South Pole in a search for hidden ice.The intentional crash this evening is the first and bigger of two planned collisions that are expected to kick up miles of lunar dust.The space probe is called Lunar Crater Observation and Sensing Satellite (LCROSS ). It has five cameras and four other scientific instruments aboard.It took pictures during its death spiral and beamed them back to Earth. Telescopes across the world were trained to the moon for the event. NASA expects to know whether there was ice below the lunar surface in about an hour.