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Solar System

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Across
  1. 3. planet with more mass than the rest combined
  2. 6. Saturn's largest moon
  3. 9. dwarf planet with 5 moons
  4. 10. another name for moons
  5. 15. large canyon on Mars
  6. 18. dwarf planet with 2 moons
  7. 20. the division in the formation of the Solar System between rocky and gassy planets
  8. 22. the process of small particles combining to form larger ones
  9. 23. most volcanically active moon
  10. 25. giant cloud of gas and dust that became the Solar System
  11. 28. hottest planet in the Solar System
  12. 32. giant storm detected on Neptune
  13. 33. Neptune's largest moon
  14. 34. fastest moving planet around the Sun
  15. 35. one of the moons of Mars
  16. 36. planet that is greatly tilted
Down
  1. 1. most heavily cratered moon of Jupiter
  2. 2. furthest planet in the Solar System
  3. 4. moon of Saturn with tiger stripes and ice geysers
  4. 5. only planet with liquid water on its surface
  5. 7. largest moon in the Solar System
  6. 8. largest volcano in the Solar System
  7. 11. source of light for the Solar system
  8. 12. large storm on Jupiter more than 400 years old
  9. 13. largest crater on Mercury
  10. 14. planet less dense than water
  11. 16. moon of Uranus that looks like it shattered
  12. 17. first dwarf planet ever discovered
  13. 19. one of the moons of Mars
  14. 21. when a moon gets too close to a planet, it could become these
  15. 24. dwarf planet with a repetitive name
  16. 26. dwarf planet whose discovery led to Pluto's demotion
  17. 27. moon of Jupiter that might have life
  18. 29. proto-planet in its early stages of formation
  19. 30. surface feature of Mercury formed after it cooled
  20. 31. planet most likely to be visited by humans