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Fraser
2006-Jun-14, 07:20 PM
NASA researchers fortunate enough to be recording the Moon through a 10" telescope equipped with a video camera when they saw a meteoroid strike. The spacerock was only 25 cm (10 inches) wide, but it released 17 billion joules of kinetic energy; the same as 4 tons of TNT. The resulting flash was quick, only lasting 4/10ths of a second, but it was powerful enough to carve out a crater 14 metres (46 feet) wide.

Read the full blog entry (http://www.universetoday.com/2006/06/14/meteoroid-strike-on-the-moon/)