Олон улсын сансрын станцын Оросын модульд долоон жилийн турш үргэлжилж буй агаарын алдагдлыг зогсоохын тулд тус модулийг бүрмөсөн хаахаар төлөвлөж байна.
Олон улсын сансрын станц (ISS) дахь агаарын алдагдал анх 2019 оны есдүгээр сард илэрсэн бөгөөд энэ нь Оросын “Звезда” модулийг залгах хэсэгтэй холбодог “PrK” хонгилоос эхтэй болохыг тогтоожээ. Оросын сансрын нисгэгчид хэд хэдэн удаа засвар хийхийг оролдсон боловч агаар алдагдах хэмжээ 2024 оны байдлаар хоёр дахин нэмэгдэж, өдөрт 0.9 кг орчим болсон нь аюулгүй байдлын хамгийн өндөр эрсдэлийг үүсгээд байна.
Нөхцөл байдал зургаадугаар сарын 5-нд хурцадсан бөгөөд Оросын тал “Звезда” модулийн ачаа даах хаалтыг хөрөөдөх замаар засвар хийх гэж байхад NASA аюулгүй байдлын үүднээс сансрын нисгэгчдээ хоргодох байранд шилжүүлжээ. Энэхүү эрсдэлтэй алхмыг NASA эсэргүүцсэний дараа Оросын тал төлөвлөгөөгөө цуцалсан байна.
https://gizmodo.com/nasas-crew-safety-alert-exposed-a-bigger-iss-leak-problem-2000769504
Одоогийн байдлаар Roscosmos болон NASA-гийн зөвшилцлийн үр дүнд “PrK” модулийг бүрмөсөн ашиглалтаас гаргах шийдвэр гаргах төлөвтэй байна. Энэ нь тус модулийн хаалгыг битүүмжлэн, агаар алдагдлыг сансрын станцын бусад хэсгээс тусгаарлах арга хэмжээ юм. Ингэснээр Оросын сансрын нисгэгчид тус модульд нэвтрэх боломжгүй болох бөгөөд цаашид ачаа тээвэрлэлтийг өөр цэгүүдээр дамжуулан гүйцэтгэх шаардлагатай болно.
Дэлгэрэнгүйг эх сурвалжаас харах
Эх сурвалжийг нээх ↓
For seven years, tiny cracks in the International Space Station (ISS) have been leaking air. NASA and its Russian counterpart, Roscosmos, have deliberated over ways to fix the air leaks, but nothing seems to work. After a risky plan prompted the ISS astronauts to seek emergency refuge, Russia’s space agency may finally throw in the towel.
Roscosmos first reported a leak on board the ISS in September 2019, tracing it to the vestibule (named PrK) that connects a docking port to the Russian Zvezda module. Russian cosmonauts have made several attempts to seal the leak, but air continues to escape the space station at a growing rate.
The situation escalated on June 5 whenNASA ordered its five crew members to shelter in place as Russia prepared to attempt a risky repair: cutting away a load-bearing bracket with a saw. Roscosmos later postponed the operation, allowing the astronauts to return safely to the ISS.
Since then, ongoing deliberations between NASA and Roscosmos suggest Russia has decided to decommission the PrK module altogether, according to a report by Ars Technica.
The leak that won’t quit
The persistent air leak poses a major safety risk to the structure of the space station and the safety of the astronauts on board. Over the years, the rate at which the air is leakingdoubled from one pound a day to a little over two pounds a day, according to a report released in 2024. That led NASA to elevate the leak to the highest level of risk.
At the time, it was reported thatNASA and Roscosmos could not agree on the root cause of the leak or a way to fix it. In June 2025, things began to look more promising after NASA measured a new pressure signal (a change in airflow or cabin pressure picked up by sensors) in the Russian module, which was taken as a sign that previous attempts to repair the air leak were successful.
On May 1, Russian cosmonauts were unloading cargo from the Progress 95 spacecraft when they noticed a slow pressure drop in the Zvezda module. That meant that air was still escaping from the space station and that the dreaded saga was far from over.
Shut it down
Ahead of the latest attempt to repair the leak, Russian officials informed NASA of their plan touse a saw to gain better access to the crack leaking air in the Zvezda module’s transfer tunnel. NASA disagreed with this strategy, stating that it “could have resulted in elevated risk to the structure in the area.”
According to Ars Technica, NASA’s decision to have its astronauts take shelter inside the SpaceX Dragon spacecraft prompted Russia to back down from its plan. The two agencies continued to dispute the issue before Russia told NASA that it would decommission the PrK module.
That means permanently closing the hatch to the service module in order to minimize the amount of air lost and isolate the leak itself from the rest of the space station. If that happens, Russian cosmonauts will no longer have access to the module, and Roscosmos will have to use other docking ports to transfer supplies to the ISS.
Once the hatch is closed, however, the chaos of the air leak saga may finally come to an end.
