HomeTechnologySpacewalk of cosmonauts canceled on space station due to leak

Spacewalk of cosmonauts canceled on space station due to leak


NASA and the Russian space agency canceled a spacewalk by two Russian cosmonauts just as they were preparing to leave the International Space Station on Wednesday night due to an apparent coolant leak from an attached space capsule.

NASA’s Johnson Space Center said Sergey Prokopyev and Dmitri Petelin were not in danger, nor were other astronauts on the space station. The cosmonauts had donned spacesuits and depressurized an airlock when the leak appeared on live video.

It was the second time that Russian cosmonauts had to cancel the spacewalk. As in the first attempt on November 25, the pair had planned to move a radiator from one module attached to the space station to another. In that first attempt, a problem arose with the coolant pumps in the cosmonauts’ Russian-made Orlan spacesuits.

In Wednesday’s incident, specialists on the ground saw a stream of fluid and particles on live video from space, along with a pressure drop across instruments, emanating from the Soyuz MS-22 capsule that had carried Prokopyev. and Petelin, along with NASA astronaut Frank Rubio. , to the International Space Station in September. The leak continued from the Soyuz capsule, attached to one of the space station modules, hours after its discovery.

The cosmonauts restored pressure in the airlock, removed their spacesuits and re-entered the space station, NASA reported.

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Russia’s space agency and NASA planned to investigate the Soyuz leak to determine how the capsule might have been affected. It was not immediately clear what effect the leak would have on the crew’s mission.

Four other astronauts and another cosmonaut are aboard the space station.

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