- Hubble watched a failed supernova turn into a black hole before its very eyes. These so-called "massive fails" (seriously) are thought to occur when the core of a star is so massive the exploding shell of gas cannot escape, and instead collapses back in on itself. http://www.astronomy.com/news/2017/05/black-hole-sun 1417 comments space
- Hubble watched a failed supernova turn into a black hole before its very eyes. These so-called "massive fails" (seriously) are thought to occur when the core of a star is so massive the exploding shell of gas cannot escape, and instead collapses back in on itself. http://www.astronomy.com/news/2017/05/black-hole-sun 27 comments space