Has any astronaut been lost in space?

Related questions

1. What happens if an astronaut floats off in space?
2. Is Laika still in space?
3. Would a dead dog float in water?
4. Did the first animal in space survive?
5. What happened to the first monkey in space?
6. Why can't astronauts fart in space?
7. Did Laika come back?
8. How long can you live in space?
9. Are there monkeys in Russia?
10. What astronauts died in space?

Tags

1. #launch
2. #killed
3. #fatalities
4. #apollo
5. #space
6. #spaceflight
7. #three
8. #astronaut
9. #astronauts
10. #entire
11. #during
12. #activities
13. #while
14. #there
15. #cosmonaut
16. #training
17. #which
18. #related
19. #missions