Minor air leak is investigated at the International Space Station

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Crewmembers of the station’s current Expedition 63 are in no immediate danger and will spend the weekend in the orbiting laboratory’s Russian segment but there is a minor air leak on the International Space Station. NASA is tracking it. “the air leak was registered by the sensors of the station’s Russian segment for measuring the content of nitrogen, oxygen and carbon dioxide in the station’s atmosphere.” A little bit of air always leaks over time, requiring routine repressurization from nitrogen and oxygen tanks that are sent up during cargo missions.

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“Now that we have a relatively quiet period in the operations — spacewalks, vehicle traffic, additional crew members can all result in fluctuations — the crew will be shutting the hatches to every single module so the ground can monitor each module’s pressure to further isolate the source” of the leak, NASA said. The current leak investigation is not the first that space station team members have performed. And NASA officials emphasized that this leak is smaller than the one that astronauts encountered in 2018. “The station is fully capable of maintaining normal operations with the current leak rate, but we now have an opportunity to try and isolate it,” NASA added.