Inside an Enigma
Astrophysicists now believe that supermassive black holes may lie at the center of most, if not all, large galaxies. Here, a spiral galaxy about 60 million light-years from Earth, imaged by the Hubble Space Telescope.
Astrophysicists now believe that supermassive black holes may lie at the center of most, if not all, large galaxies. Here, a spiral galaxy about 60 million light-years from Earth, imaged by the Hubble Space Telescope.