The first black hole and how it compares to others

The first black hole image how it compares to other black holes in the Universe. This week, scientists produced the first real image of a black hole, in a galaxy called Messier 87. The image is not a photograph but an image created by the Event Horizon Telescope (EHT). How big is the black hole? In this video you would learn about other back holes in the universe. major information about black holes such as Sagittarius A, NGC 1277, Messier 60[M 60], Messier 87[M 87],NGC 6166,Messier 94[M 94], TON 618.