December 23, 2005: NASA scientists have observed an explosion on the
moon. The blast, equal in energy to about 70 kg of TNT, occurred near
the edge of Mare Imbrium (the Sea of Rains) on Nov. 7, 2005, when a
12-centimeter-wide meteoroid slammed into the ground traveling 27
km/s.
http://science.nasa.gov/headlines/y2....htm?list86255