Gravity & Black holes

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Across
  1. 2. The never-ending void that is dark with solar systems in it
  2. 4. holes A cause of a supernova collapsing in on itself
  3. 5. The thing in the center of our solar system
  4. 6. Big rocks flying through space
  5. 8. What keeps us on the ground
Down
  1. 1. What happens when a star is dying
  2. 2. Balls of burring gasses in the universe
  3. 3. What helps us see
  4. 7. System Something that contains planets and a Star in the center