Planets

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Across
  1. 2. coldest planet in the Solar System
  2. 3. gas that absorbs red light causing Uranus to appear blue
  3. 10. largest terrestrial planet
  4. 11. largest planet in the solar system
  5. 12. planet that spins clockwise (backward)
  6. 13. tallest mountain in the Solar System
  7. 15. one-third the size of Earth
  8. 16. one of the moons of Mars
  9. 17. axis so tilted, planet appears to spin sideways
  10. 18. Planet with the hottest surface temperature
Down
  1. 1. largest moon in the Solar System
  2. 4. smallest outer planet
  3. 5. number of moons orbiting Saturn
  4. 6. dwarf planet made of mostly ice, 5 moons
  5. 7. Pluto's largest moon
  6. 8. largest of the dwarf planets
  7. 9. terrestrial planet with the most moons
  8. 14. smallest terrestrial planet
  9. 15. terrestrial planet half the size of Earth