Scott Kelly Quotes
As far as the sounds on the space station, it's pumps, fans, motors, certain modules are louder than others, but it's generally a pretty nice working environment. It's not too loud or too smelly.
Citations
Kelly, Scott. "I am Astronaut Scott Kelly, currently spending a year in space. AMA!" Reddit, 23 Jan. 2016.
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Scott Joseph Kelly is an American engineer, retired astronaut, and naval aviator. A veteran of four space flights, Kelly commanded the International Space Station (ISS) on Expeditions 26, 45, and 46.