Across
- 2. Uranus
- 3. rocket
- 7. Mercury
- 9. to shine
- 13. Mars
- 14. universe
- 16. to fly
- 17. planet
- 18. Earth
- 19. Venus
- 23. outer space
- 24. gravity
- 25. solar system
- 26. Jupiter
- 28. galaxy
- 30. black hole
Down
- 1. spaceship
- 4. comet
- 5. to float
- 6. star
- 8. alien
- 10. to launch
- 11. to take off
- 12. Neptune
- 15. Saturn
- 16. space
- 20. the sun
- 21. to rotate
- 22. telescope
- 27. to breathe
- 29. moon