What would happen if you took your helmet off on the moon?

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Tags

1. #happen
2. #occasionally
3. #forced
4. #survive
5. #chamber
6. #something
7. #always
8. #would
9. #exposed
10. #training
11. #helmet
12. #mouth
13. #accidentally
14. #lungs
15. #astronaut
16. #vacuum
17. #through
18. #during
19. #loose
20. #comes