Across
- 4. Ultimate source of all our energy
- 5. Columbia, Challenger, Discovery, Atlantis, and Endeavour
- 7. Trajectory of planets
- 10. Gravitational trap
- 12. Neil _________
- 13. Meeting point of astronauts
- 15. Arctic light display
- 16. Sun and moon alignment
- 17. Mercury Venus Earth _______
- 19. Rim of sun
- 21. Look through and see stars
- 22. Rocket starts from here
Down
- 1. Earth's companion
- 2. Rocket fuel container
- 3. A bar like Mars
- 4. Anagram of : rephrasetost
- 6. Has a long trail
- 8. Once a planet, now a dwarf
- 9. Make a wish at sight
- 11. Jupiter Saturn Uranus Neptune
- 14. All of time and space and all its contents
- 18. First moon landing spacecraft
- 20. Enables communication on earth