The Solar System

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Across
  1. 2. known for "aliens"
  2. 4. planets made up of mostly rock and metal
  3. 5. Neptune crosses orbit with:
  4. 9. Named after the Roman God of the Sea
  5. 10. once it strikes Earth it becomes:
  6. 11. Takes the Earth 24hrs complete
  7. 12. pieces of dust and rock that usually break from comets or asteroid collision
  8. 15. Earth's twin planet
  9. 18. Around the sun. Takes Earth Apprx 365 days to complete
Down
  1. 1. a giant high pressure storm in Jupiter
  2. 3. Saturn's Largest moon
  3. 6. planets composed of mostly gases
  4. 7. Lies between Mars and Jupiter
  5. 8. Shooting Star
  6. 13. Central star in our solar system
  7. 14. is the closest planet to the sun
  8. 16. 2nd largest planet. Big rings
  9. 17. Axis of rotation is tilted on its side