Across
- 2. Extravehicular activity or spacewalk
- 4. Liquid oxygen
- 5. Greenwich mean time
- 6. Hydrochloric acid
- 12. JSC
- 16. Body-mass-measurement-device
- 18. Unidentified flying object
- 20. Students for the exploration and department of space
Down
- 1. Crew return vehicle
- 3. The height of an object or point relitive to sea level
- 7. Lithium hydroxide
- 8. Global position system
- 9. Central daylight time
- 10. Heal
- 11. Trash airlock
- 13. The curved path of a celestial object or spacecraft around something
- 14. Eats away
- 15. European space agency
- 17. manned maneuvering unit
- 19. International Space Station