Record-Breaking Meteorite Crash on Moon Sparks Brightest Lunar Explosion Ever: http://www.space.com/24789-moon-meteorite-impact-brightest-lunar-explosion.html

A NASA moon monitoring telescope captured the blast, which could be seen by the naked eye on Earth, on March 17th, 2013. The object was the size of a small boulder and may be part of a meteor swarm that also flew past Earth.

Credit: NASA