See on Scoop.it – Frames of the World
A supermassive black hole in the core of the Milky Way last erupted two million years ago, and will again.
See on news.nationalgeographic.com
See on Scoop.it – Frames of the World
A supermassive black hole in the core of the Milky Way last erupted two million years ago, and will again.
See on news.nationalgeographic.com