We know, rocks and asteroids crash into the moon all the time and that’s the reason it's so cratered. But there's something about looking at it in action, that's pretty incredible. So exactly how big was the crash? It was so big that researchers say the flash it produced was about the same intensity as the North Star and that it caused a crater 130 feet wide. You can learn more about it in this paper issued from astronomers directed by José Madiedo at the Universidad de Sevilla and Huelva for the Monthly Notice of the Royal Astronomical Society. Or you just watch this video in which they explain now: