universe cross word

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Across
  1. 4. things that orbit something
  2. 6. a group of planets orbiting something
  3. 7. pulling you down to keep you on earth
  4. 8. big space rock that orbits earth
  5. 9. hole big hole in space and eats stuff
  6. 10. made out of many gasses
  7. 12. The totality of all physical reality
Down
  1. 1. asteroid that crashed
  2. 2. A vast, gravity-bound collection of stars, dust, and gas
  3. 3. something that has a lot of astroids in it
  4. 5. gasses from an exploding star
  5. 11. a thing in space made out of ice and dirt