planet puzzle

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Across
  1. 2. the sun heats this up causing energy
  2. 4. spot neptunes infamous area
  3. 8. Great dark spot
  4. 11. Largest planet
  5. 13. two tails
  6. 14. habitants of Earth
  7. 17. an asteroid can turn into a
  8. 18. Water ice mantle
  9. 20. tons of volcanos
  10. 22. these are within saturns rings
  11. 25. can become a moon of a planet
  12. 27. uranus is almost all
  13. 28. color comes from methane and ice
Down
  1. 1. Jupiter tourist spot
  2. 3. too small to be planet
  3. 5. lots of asteroids
  4. 6. dwarf planets names
  5. 7. hottest planet
  6. 9. Venus has a lot of these
  7. 10. Burn up in atmosphere
  8. 12. majority is water
  9. 15. Ring system
  10. 16. largest volcano Olympus-
  11. 17. big dust storms
  12. 19. Meteoroids are the _______ rock out there
  13. 21. plutos mantle is filled with
  14. 23. comets can sometimes do this with a planet
  15. 24. moon temp
  16. 26. Mercurys atmosphere is