Space has a distinct smell of seared steak and hot metal.
Why it is true
Astronauts returning from spacewalks report that their suits retain the smell of polycyclic aromatic hydrocarbons, byproducts of dying stars, which resembles grilled meat and gunpowder.
Source: Space Chemistry
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.