Tag: galaxy collisions

• Cosmic carnage: two black holes devouring a helpless star

  Most large galaxies have a supermassive black hole — one that is millions or billions of times the mass of the Sun — at their centers. However, big galaxies are made from littler galaxies, either by merging or galactic cannibalism. That implies the largest black holes may also be formed by merging two or more…

  Matthew R. Francis

  April 28, 2014

  Astronomy

  black holes, galaxies, galaxy collisions, supermassive black holes