What's Up? The Space Place: HUH? A STAR THAT WON'T DIE!
HUH? A STAR THAT WON'T DIE!
Well, here is one for the astro-history books......a star that goes Supernova (explodes) and then is discovered to have gone Supernova before!!!!
This is the first discovery of such an event. Get the details here.