• How do planets, stars, galaxies and cosmic structure come into being? - NASA Science
  How do planets, stars, galaxies and cosmic structure come into being? In order to understand how the Universe has changed from its initial simple state following the Big Bang (only cooling elementary particles like protons and electrons) into the magnificent Universe we see as we look at the night sky, we must understand how stars, galaxies and planets are formed.
  in Public bookmarks with big_bang cosmic cosmology particles structure universe

particles from all users