"Extreme Nuclear Transients" are the largest detected explosions in the universe since the big bang.  #space #astronomy 
<br /><a href='https://www.skyatnightmagazine.com/news/biggest-explosions-the-universe-since-big-bang'>https://www.skyatnightmagazine.com/news/biggest-explosions-the-universe-since-big-bang</a>