It takes a long time for supermassive black holes, like the one at the center of our Milky Way galaxy, to form. Typically, the birth of a black hole requires a giant star with the mass of at least 50 of our suns to burn out—a process that can take a billion years—and its core to collapse in on itself. It takes a long time for supermassive black holes, like the one at the center of our Milky Way galaxy, to form. Typically, the birth of a black hole requires a giant star with the mass of at least 50 of our suns to burn out—a process that can take a billion years—and its core to collapse in on itself. Astronomy Phys.org – latest science and technology news stories
Dark matter could have helped make supermassive black holes in the early universe
