How do we know outer space has a specific smell if no one can take their space helmet off to smell it?

Question

How do we know outer space has a specific smell if no one can take their space helmet off to smell it?

In: Planetary Science

Answer 1

You know how when you take a crap and the washroom still smells after you flush ?

It’s kind of like that when the astronauts come back into the space station after doing a space walk