Across
- 4. 8th planet in the Solar System
- 5. 7th planet in the Solar System
- 8. 1st planet in the Solar System
- 10. 6th planet in the Solar System
- 13. not even light can escape
- 14. Star...
- 15. first moon mission
Down
- 1. When a star explodes...
- 2. 2nd planet in the Solar System
- 3. the answer to life, the universe, and everything
- 6. First man on the moon
- 7. 5th planet in the Solar System
- 9. 3rd planet in the Solar System
- 11. the American space agency
- 12. 4th planet in the Solar System