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Mommy, what does space smell like?
Yums. Another useless (but quite interesting) piece of trivia to know.
Of course, there's always somebody to burst your bubble. One theory is the smell has something to do with LCVG and PLSS, which are responsible for regulating and radiating heat away form the user (respectively). Out in the space vacuum, these chemicals may get vaporized, and hence, that "sweet-smelling welding fume."
Then, there's the alternative explanation. "That's God's crotch you're smelling."
Filed under: Learning