Astronomers have watched the sudden brightening of a galaxy and realized it can mean only one thing: a supermassive black hole has "woken up" and feasted after a long period of hibernation. ->
Astronomers have watched the sudden brightening of a galaxy and realized it can mean only one thing: a supermassive black hole has "woken up" and feasted after a long period of hibernation. ->
There are currently 1 users browsing this thread. (0 members and 1 guests)