Our galaxy's pretty ordinary, garden-variety. So if we believe our galaxy has a super massive black hole, that tells us that most, if not all, galaxies host such a black hole at their centers.
Related Keywords: Black Pretty Galaxy Ordinary Us Most Galaxies
Related Authors: Leonardo da Vinci Stephen Hawking Isaac Newton Galileo Galilei Rene Descartes Nicolaus Copernicus Omar Khayyam
