Dark matter

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Across
  1. 2. exists in galaxies and between galaxies
  2. 6. mass that takes up to much space
  3. 7. synonym to dark
  4. 10. cant see to dark
Down
  1. 1. all objects made of normal atomic matter, essentially ignoring the prescence of electrons
  2. 3. oppisite of dark matter
  3. 4. any sort of matter that is not composed primarliy of baryons
  4. 5. a term for dark matter
  5. 8. a system of stars
  6. 9. dark matter consits pbhs