Dark Matter

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Across
  1. 1. The creator of the term "Dark Matter".
  2. 5. Contains stars.
  3. 7. Contained in stars.
  4. 8. less than half the universe.
  5. 9. Farther away from the sun the slower_
  6. 10. Doesn't interact with Dark Matter.
Down
  1. 2. Smaller number of __ the further out.
  2. 3. Dark matter exerts this force.
  3. 4. Composes the rest of the universe.
  4. 6. Dark Matter cannot be seen.