11. Space Has a Unique Smell
Spacewalks are a main part of space missions. While hanging far above the earth and only tenuously connected to the ISS, astronauts get to really soak up what space is like.
According to several astronauts, space smells like a combination of “seared steak, piping-hot metal, and arc welding smoke.”
Astronauts get this rare moment to smell space while they de-pressurize their suits during spacewalks. Now the question really is, does the smell make them hungry?