Across
- 2. - Force in space
- 8. - Soviet spacecraft
- 10. - Space study
- 13. - Liftoff
- 14. - Moon-related
- 15. - U.S. space agency
- 18. - Circular path
- 19. - Astronaut's gear
- 20. - U.S. President
- 23. - Rocket launch
- 24. - First satellite
- 26. - Space explorer
- 28. - Space-related
- 29. - Red planet
Down
- 1. - First human in space
- 3. - Mars vehicle
- 4. - Moon missions
- 5. - On the Moon
- 6. - Russian astronaut
- 7. - Space program
- 9. - Astronomical tool
- 11. - Space station
- 12. - Universe
- 16. - First man on the Moon
- 17. - EVA activity
- 21. - Pre-launch ritual
- 22. - Moon station
- 24. - Competition
- 25. - Rocket type
- 27. - Launch vehicle