NASA scientists observed an explosion on the moon with blast energy equivalent to about 70 kg of TNT, caused when a 12-cm wide meteroid hit at the speed of 27 km/s (6000 mph, or for you uber-geeks Mach 79!) |
NASA scientists observed an explosion on the moon with blast energy equivalent to about 70 kg of TNT, caused when a 12-cm wide meteroid hit at the speed of 27 km/s (6000 mph, or for you uber-geeks Mach 79!) |