The astronauts of the American segment of the ISS were involved in “Earth” or “Unusually Phenomenon” – outside the station in something like snowfall. Flakes of frozen substance flew past the illuminators, analogues of bliss. It was quickly removed, this is a heater and a Nauk radio module in the Russian segment.
Once you’ve seen the ISS, it’s time to shutter the backlights to prevent contamination. The leak occurs from the backup, and not the main, cooling circuit of the Nauka module. In this state, this training works, not without commands.
Roscosmos was able to verify the fact of their removal. Unfortunately, this is during the year associated with leaks on Russian ISS equipment. NASA fears that this may be a system error, which is why they are using I doubt.
Source: Tech Cult

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