Despite the International Space Station being comparable in size to a five-bedroom house, the prospect of spending months confined to a building that floats 250 miles (402 kilometers) above the Earth would be daunting for many.
You'd have to deal with limited space, a lack of privacy, the knowledge that you're being watched, and the difficulty of performing everyday tasks in a zero-gravity environment. One thing we don't often consider, though, when it comes to living on the International Space Station (ISS), is the sound. The constant hum of fans keeping crucial life support systems and instruments cool could get to anyone after a while, and there is nowhere to escape it.
