craters on the moon

Study sheds light on violent asteroid crash that caused mysterious ‘crater rings’ on the moon

Study sheds light on violent asteroid crash that caused mysterious ‘crater rings’ on the moon

Some 3.8 billion years ago, the moon was a dangerous place – constantly bombarded with asteroids and comets. Our celestial neighbour still bears the scars of this time, in the shape of craters. The biggest of these are called basins, and one is the mysterious, 930km-diameter Orientale Basin, which looks like a bull’s eye with three round rings around it.