The Quasar Enigma –Massively Dense Luminous Objects at the Dawn of the Universe

    Black holes are usually formed in the explosive deaths of massive stars. In dense environments like globular clusters and the cores of massive galaxies, several black holes can merge together, forming an even more massive black hole. In addition, black holes at the centers of galaxies can accrete infalling gas, gaining in mass … Continue reading The Quasar Enigma –Massively Dense Luminous Objects at the Dawn of the Universe