http://hypertextbook.com/facts/1999/TopazMurray.shtml 100,000,000,000 galaxies in the known universe Number of galaxies in the universe most say 100 billion) http://hypertextbook.com/facts/1999/TopazMurray.shtml Number of Galaxies in the Universe Número de galaxias en el universo. Number of Galaxies in the Universe vary 125 billion galaxies Número de Galaxias en el Universo 125 billion galaxies 100 billion OTHER GALAXIES Number of Galaxies in the Universe Number of Galaxies in the Universe http://hypertextbook.com/facts/1999/TopazMurray.shtml 125 billion galaxies 125 billion galaxies http://hypertextbook.com/facts/1999/TopazMurray.shtml 125 billion galaxies http://hypertextbook.com/facts/1999/TopazMurray.shtml http://hypertextbook.com/facts/1999/TopazMurray.shtml