Everyone wears underwear. Your grandma wears them, your dad wears them, your mailman wears them. Heck, even some dogs wear underwear. We are a society fixated on comfort, but also on functionality. Your personal trainer dons moisture-wicking underlayer, while your mom might be sporting spanx to hold in the result of years of childbearing.

Suited for Space. The Chemical Heritage Foundation, Philadelphia. Through November 14, 2014.

But astronauts tend to think of underwear on a different level. You might say their views on underwear are – dare I say – out of this world.

Alyssa Shaw is an English major and graduate education student at Drexel University in Philadelphia.