Are Astronauts Heroes?

[MuresanForMVP]

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soldiers - too much variance to generalize. I think, in large part, they're people who got into the service because it was one of the only things they were qualified to do and too poor to get other training. I suspect they do courageous things, but I have a hard time believing the majority really joined to "save/serve their country".

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Why do rejects continue to say this even though it's been proven to be completely false, on average?