Space stinks. Srsly.
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My theory is that what we call The Big Bang was really The Big Fart.
Hand over that Nobel Prize.
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"When the spacewalkers return to their craft, remove their helmets and go through the airlock, they describe smelling a myriad of things from a Nascar race to barbeque, burning metal, brake pads,...."
so astronauts are NASCAR fans....
https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.392.5600&rep=rep1&type=pdf
follow the science