Astronomy Puzzle

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Across
  1. 1. A very cold planet
  2. 5. the rocks that causes destruction when it hits
  3. 7. A very very very hot planet
  4. 8. Scuti the largest star in the universe.
  5. 9. the furthest planet from the sun
  6. 12. icy astronomy object
  7. 14. the second planet from the sun
  8. 16. everything
  9. 18. hole a force that can suck in anything
  10. 20. The closest planet to earth
Down
  1. 2. the third largest planet
  2. 3. The only planet with living things.
  3. 4. Appears at night
  4. 6. the brightest planet
  5. 10. system contains planet
  6. 11. dwarfs the smallest star
  7. 13. A dwarf planet
  8. 15. the galaxy that contains the solar system
  9. 17. shines at night
  10. 19. the red planet