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Russian cosmonauts completed their work in outer space

Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov completed their work in outer space overboard the International Space Station /ISS/ as part of preparations for the docking of the multifunctional laboratory module “Science”, TASS reported.
Live streaming was broadcast on NASA and Roscosmos sites. It was the first “spacewalk” in the careers of the two Russian cosmonauts. This was also the first non-ship activity related to the upcoming launch in April 2021 of the multifunctional module “Science”, which will dock with the ISS, BTA reported.

Ryzhikov and Kud-Sverchkov went into outer space at 19:07pm Bulgarian time through the exit hatch of the small research module “Poiska”, which has not been opened for 11 years. American astronauts carried out the maintenance of the Russian crew on board the ISS.

The cosmonauts worked outside the station for 6 hours and 47 minutes. During their outboard activities, they lost in space the soft handrail of the hermocontainer, in which they removed the tools they needed to carry out their tasks. One of them they could not fulfill - Ryzhikov and Kud-Sverchkov failed to open the hermocontainer, in which the removable regulator for fluid consumption is located because of a stuck bolt. In this regard, the specialists of the Flight Management Center instructed them to interrupt this task. The cosmonauts returned the container back to the Poisk module, and in the Zarya module they left the old panel, which until that moment was working.

The Russian team also photographed the outside of the “Zvezda” module in the place where a slit was previously discovered in the intermediate part of the segment. No signs of external damage were found after inspection.

Russian cosmonauts also switched the contact antennas from the Piers module to the Poisk module and changed the sensors of the pressure control device. They also had to clean the Illuminators of the Zarya module, but the task was canceled. Ryzhikov and Kud-Sverchkov performed an appliance replacement within the framework of the Impact experiment, which tracks polluting fractions of the engines for orientation of the Russian segment.

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