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When NASA astronaut Kjell Lindgren traveled to the International Space Station (ISS) in 2015, he was expecting the air to smell a little like a locker room, he says in a new video posted by NASA. After all, the space station is essentially an airtight metal box where, most of the time, six or more crewmembers are constantly working, exercising and sweating.
Lindgren was in for a surprise, however, thanks to impressive technology in the space station's life support system. "The air in the space station actually smelled great," he says in the video. "The filters in the life support system do a great job cleaning the air. There were no issues at all."
Technology - Air - Station - Astronauts - Long-distance
The technology is important, not only for keeping the air aboard the station fresh and the astronauts alive, but also for potential long-distance journeys in the future, like the journey to Mars. Aboard the station, Lindgren said he felt like a bridge builder, paving a pathway to the red planet.
"Hundreds of millions of miles from Earth, no one will be able to bring us fresh water or replace malfunctioning systems," Lindgren says. "We will be on our own — just us and the life support system."
Life - Support - System - Space - Station
The life support system aboard the space station acts as a...
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