Astronomers have recently discovered a black hole with a mass of about 50 billion times that of the Sun, located in a distant galaxy. And that's not all, because a second supermassive black hole may a
lso be present in the same galaxy. ...
Автор: notebookcheck.net
Источник: https://www.notebookcheck.net/With-a-mass-of-about-50-billion-times-that-of-the-Sun-this-black-hole-is-one-of-the-largest-ever-discovered.1297649.0.html