There is speculation that the crater Giordano Bruno was caused by a large impact on the moon in 1178. If true, it would have been way larger, but evidence of a

There is speculation that the crater Giordano Bruno was caused by a large impact on the moon in 1178. If true, it would have been way larger, but evidence of any debris hitting the earth is missing, so it's probably just a nice story. http://en.wikipedia.org/wiki/Giordano_Bruno_%28crater%29 http://en.wikipedia.org/wiki/Giordano_Bruno_%28crater%29