Universe by nina

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Across
  1. 2. a large reddish star late in its life cycle
  2. 4. everything that exists in space and in time
  3. 5. a big hot ball of fire in the center of the universe
  4. 6. light cant leave this
  5. 9. a object that produces very high energy
  6. 12. a small dim dense star
  7. 13. the outside layer of the sun
  8. 14. the distance a star travels in a year
Down
  1. 1. an American astronomer
  2. 3. groups of stars that create shapes
  3. 5. a huge bright explosion
  4. 7. a group of stars or galaxies
  5. 8. the planet that we live on
  6. 10. huge sphere of hot gas
  7. 11. a collection of millions to billions of stars