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