Radiator leak from Russian ISS module leaves spacewalkers cooling their heels

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Russia’s Soyuz MS-22 spacecraft, at present docked on the Worldwide House Station (ISS), started leaking coolant Wednesday night. Based on Russia’s area company Roscosmos, the instrument and meeting compartment’s outer pores and skin was broken. Fortuitously, the crew is protected, they usually carried out regular operations afterward. NASA mentioned in a blog post that “the exterior radiator cooling loop of the Soyuz is the suspected leak supply.”

Cosmonauts Sergey Prokopyev and Dmitry Petelin have been already of their fits, making ready for a virtually seven-hour spacewalk, when the crew observed low-pressure readings. The cosmonauts postponed their stroll indefinitely and weren’t uncovered to the coolant. “Roscosmos is carefully monitoring Soyuz spacecraft temperatures, which stay inside acceptable limits,” NASA mentioned. “NASA and Roscosmos proceed to coordinate exterior imagery and inspection plans to help in evaluating the exterior leak location.” The crew plans to analyze additional utilizing the station’s robotic arm.

The Soyuz MS-22 spacecraft launched from Kazakhstan’s Baikonur Cosmodrome on September twenty first, carrying the 2 cosmonauts and NASA astronaut Frank Rubio. The Russian area company added that “a call shall be made” in regards to the cosmonauts’ future aboard the ISS. A spacewalk scheduled for Dec. 21 is postponed indefinitely because the investigation continues.


Russia’s conflict in Ukraine has sophisticated (to say the least) the connection between NASA and Roscosmos. Earlier this yr, Russia mentioned it might pull out of the ISS after 2024 and deal with launching its personal area station. Though eradicating Russia from the ISS would throw an amazing wrench into this system, the US reportedly had contingency plans even earlier than the invasion.

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