outer space

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Across
  1. 3. The only planet not named after God
  2. 6. The first planet discovered
  3. 7. The first animal sent to space
  4. 8. The planet that ofen called the red planet
  5. 12. The length from center of sun to earth
  6. 14. The distance covered by light in one year
  7. 16. The name of first rover
  8. 17. The Small bodies that orbit elliptically
  9. 20. The brightest star in our milky way
Down
  1. 1. The largest planet
  2. 2. The hottest planet in our solar system
  3. 4. The largest constellation
  4. 5. The only planet that can float in water
  5. 9. The name of first satellite in space
  6. 10. The time it takes for sun to orbit
  7. 11. The smallest satellite in solar system
  8. 13. The satellite that smells like gunpowder
  9. 15. The only dwarf planet in our solar system
  10. 16. The largest object in solar system
  11. 18. The planet with the fastest orbit
  12. 19. The largest satellite in solar system