Across
- 3. rocks that fly through space at high speeds.
- 8. life on other planets.
- 10. the seventh planet.
- 12. the fith planet.
- 13. a vihicle that flys through space.
- 14. the first planet.
- 15. the third planet
- 16. unidentified flying object.
- 17. a black circle that sucks things into it.
- 18. take images of earth and other planets while flying through space.
Down
- 1. the ninth planet.
- 2. the fourth planet.
- 4. the galaxy we live in.
- 5. the second planet.
- 6. the eigth planet.
- 7. there are nine of them.
- 9. the sixth planet.
- 11. a human that goes into space.
- 14. afects tthe weather on earth.
- 18. all the planets orbit around it.