Dark matter

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Across
  1. 6. dark matter exerts ______________ force
  2. 7. it's responsible for the __________ in the universe
  3. 9. it seems to exist in __________ around the universe
  4. 10. it's five times more prevalent than __________ matter
Down
  1. 1. dark matter can be felt because its ________ impact on space
  2. 2. dark matter draws other ________ towards it
  3. 3. most physicists believe that its made up of _______ particles
  4. 4. dark matter does not interact with _____
  5. 5. dark matter is totally _________
  6. 8. the nature of dark matter is __________