I’d guess that completely empty space smells of nothing. Smells are caused by particular molecules, and the space inbetween the stars and planets is almost completely empty. But if we went there to smell it we’d bring molecules with us and we’d smell those.
Probably of whatever you smell like inside your space-suit, when you’re out in space 😉
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Although now that I’m reading what Tim Peake said, it seems more interesting than that!!
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