Cosmonauts were preparing to float outside the International Space Station Wednesday for a planned spacewalk when Russian flight controllers noted what appeared to be a coolant system leak in the lone Soyuz crew ferry ship docked at the outpost.
Wednesday for a planned spacewalk when Russian flight controllers noted what appeared to be a significant coolant system leak in the lone Soyuz crew ferry ship docked at the outpost.
Dramatic video beamed down from the International Space Station on Dec. 14, 2022, showed a thick stream of what appeared to be frozen coolant particles shooting away from the Russian Soyuz MS-22/68S ferry ship that carried two cosmonauts and a NASA astronaut to the lab in September. The cosmonauts were preparing for a spacewalk when the leak was detected. The spacewalk was called off pending additional analysis.
It's not yet known whether the Soyuz can get home as is with a damaged coolant system, whether some sort of spacewalk repair might be possible, or whether a replacement Soyuz might have to be launched. "We noticed a visible stream of flakes coming from the aft of the Soyuz near the instrumentation and propulsion module that was indicative of a leak," Navias said."The experts, the specialists in Moscow, are evaluating the nature of the fluid that appears to be leaking from the Soyuz and what impact that might have to the integrity of the Soyuz MS-22."
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