Milky Way vs M87: Event Horizon Telescope photos show 2 very different monster black holes - Space.com

'M87 was exciting because it was extraordinary. Sagittarius A* is exciting because it's common.'

Three years ago, scientists used a telescope the size of Earth to produce the first-ever image of a black hole. Now, they've done it again — this time, closer to home, and of a very different invisib… [+5454 chars]

full article...