Mare Imbrium

Moon explosion: A meteor crashed into the Moon, creating what has been described as the largest explosion ever seen on its surface.

NASA astronomers have been watching the Moon for eight years under a special program, looking for signs of explosions caused by meteoroids hitting the lunar surface.

Moon explosion: A meteor crashed into the Moon, creating what has been described as the largest explosion ever seen on its surface.

NASA astronomers have been watching the Moon for eight years under a special program, looking for signs of explosions caused by meteoroids hitting the lunar surface.