Enlarge / Three hours after the coolant leak was initially detected Wednesday night, it remained ongoing. (credit: NASA TV)
After working through the weekend to better characterize damage to its Soyuz spacecraft attached to the International Space Station, Russian specialists have decided to take no immediate action.
In a lengthy statement published Monday morning by Roscosmos (a VPN is required to access the site from Western nations), the Russian space corporation said it believed that a tiny piece of debris ruptured an external cooling loop that radiates heat from inside the Soyuz into space.
Working with NASA on Sunday to operate the long Canadarm2 manipulator arm, Russian specialists were able to get a clear look at the damaged area on the aft end of the Soyuz spacecraft. The area of the hole is about 0.8 mm across, which, although small, allowed all of the coolant in the external loop to be dumped into space last Wednesday. Importantly, the visual inspection discovered no other notable damage to the Soyuz vehicle from the debris strike.
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