Across
- 3. the feats of an acrobat
- 6. pertaining to the mind
- 12. the return from outer space into the earth's atmosphere
- 13. portable life-support system
- 14. pay no attention
- 17. extravehicular mobility unit
- 18. the state of being contaminated.
- 19. Simplified aid for EVA rescue
- 20. trash airlock
Down
- 1. force of gravity
- 2. a line attaching the Skylab to a spacecraft
- 4. oxygen occurring as a single atom
- 5. restraint rope
- 7. able to supply its own needs without external assistance
- 8. calcium lose
- 9. confined to bed because of illness
- 10. tablets
- 11. unintentional
- 15. geosynchronous Earth orbit
- 16. pertaining to the heart