Black holes are remarkable astronomical objects with gravity so strong that nothing, not even light, can escape them. The most gigantic ones, known as “supermassive” black holes, can weigh millions to billions times the mass of the sun. Black holes are remarkable astronomical objects with gravity so strong that nothing, not even light, can escape them. The most gigantic ones, known as “supermassive” black holes, can weigh millions to billions times the mass of the sun. Astronomy Phys.org – latest science and technology news stories
Supermassive black holes have masses of more than a million suns—but their growth has slowed as the universe has aged
