Across
- 2. Part of a spacecraft
- 5. Celestial body visited by astronauts
- 6. Moon mission program
- 7. Launch vehicle
- 10. U.S. space agency
- 12. Path of a celestial object
- 13. Astronaut's activity outside spacecraft
- 15. Force that keeps objects in orbit
Down
- 1. Russian astronaut
- 3. Touchdown on a celestial body
- 4. First artificial Earth satellite
- 8. U.S. President who initiated moon missions
- 9. Red planet
- 11. Artificial space object
- 14. Relating to the moon