A huge black hole in a distant galaxy caused the largest explosion we have ever seen, with the energy of 10 billion suns – and it isn’t clear why it was so big
Source:
https://www.newscientist.com/article/2235649-astronomers-have-discovered-the-biggest-explosion-in-the-universe/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home