Outer Space

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Across
  1. 1. a giant sphere of super hot gas
  2. 4. a person who goes into outer space
  3. 6. the fourth planet
  4. 7. the second planet
  5. 11. the third planet
  6. 12. the fifth planet
  7. 13. a group of stars that make a shape
  8. 15. the area outside of Earth's atmosphere
  9. 16. a big sphere that orbits a star
  10. 18. the first planet
  11. 19. an invisible force that pulls objects towards one another
Down
  1. 2. a vehicle that can go to space
  2. 3. all planets, stars, galaxies, and space
  3. 5. the eighth planet
  4. 8. the sixth planet
  5. 9. the path of an object around a star
  6. 10. the seventh planet
  7. 14. a small rocky body that orbits a star
  8. 17. gasses that make up the atmosphere