Across
- 4. The launch
- 6. The spacesuit
- 7. The satellite
- 12. Gravity
- 13. The telescope
- 14. The nebula
- 15. The star
- 16. The solar system
- 17. The asteroid
Down
- 1. The planet
- 2. The universe
- 3. Orbit
- 5. The astronaut
- 8. The galaxy
- 9. The black hole
- 10. The sun
- 11. The spaceship
- 15. The moon
- 16. The comet