The supernova was found by NASA-funded ATLAS and had a magnitude of 17.3 at the time of discovery.
The supernova ASASSN-15lh has been noted as the largest explosion in the history of recorded events in space. A supernova is the explosion of an existing star. The explosions usually take place in ...
A distant star has captured astronomers' attention over the past decade, teasing them with indications that it will soon ...