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Across
  1. 3. Jupiter has more than 55...
  2. 6. How many moons does Mercury have.
  3. 7. How many humans have stepped on the moon.
  4. 9. The coldest is.
  5. 10. oxide What is the subtance on the surface of Mars.
  6. 13. The grey planet.
  7. 15. The strongest winds are on the planet.
  8. 16. How many moons does Mars have.
  9. 17. The solar system has ___ planet.
  10. 18. The red planet.
Down
  1. 1. Jupiter and Saturn the type is___.
  2. 2. Aldrin The number two person to tread on the moon.
  3. 3. Which planet is the smallest.
  4. 4. The darkest blue planet.
  5. 5. ___ makes up planet Uranus and Neptune.
  6. 8. How many moons does Neptune have.
  7. 11. The biggest planet.
  8. 12. Uranus has more moons than.
  9. 14. Earth, Mars, Mercury, Venus are _____ type.
  10. 15. Do Venus have a ring.