Space

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Across
  1. 3. the blue planet
  2. 5. where the sun, moon and earth line up
  3. 8. different in the southern hemisphere to the northern hemisphere
  4. 10. the amount of hours in a day
  5. 14. the fifth closest planet to the sun
  6. 15. the red planet
  7. 16. something there is nothing of in space
  8. 17. the smallest planet
  9. 18. earth only has one of it
Down
  1. 1. three quarters of earth is covered in it
  2. 2. the first phase of the moon
  3. 4. the seventh phase of the moon
  4. 6. a dwarf planet
  5. 7. the only planet with a ring around it
  6. 9. what is earth in?
  7. 11. a huge star
  8. 12. what earth is primarily made up of
  9. 13. follows a path