The Universe

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Across
  1. 5. A black hole is made when a big star_
  2. 6. What has all of everything
  3. 9. Galaxy that looks like a bunch of little dots
  4. 10. Space is completely _
Down
  1. 1. There are a dozen of these in the universe
  2. 2. 95% of the universe is _
  3. 3. throughout the whole universe it always has the same _
  4. 4. most of the stuff in the universe has _ gravity
  5. 7. The kind of galaxy we're in
  6. 8. A Neptune like exoplanet, it is an ocean planet