Russian cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev began a planned five-hour spacewalk outside the International Space Station on Wednesday [1].
This extravehicular activity (EVA) allows Roscosmos to maintain critical infrastructure and advance research into how solar radiation affects orbital hardware. The mission ensures that the Russian segment of the station remains operational while collecting data from completed experiments.
The spacewalk commenced at 10:15 a.m. EDT [1]. The two crew members operated within the Russian segment of the station, specifically targeting the Zvezda, Poisk, and Nauka modules [1, 3].
A primary objective of the excursion was the installation of a new solar-radiation experiment on the Zvezda service module [1, 3]. This hardware is designed to monitor and analyze the impact of solar particles on materials in the vacuum of space.
In addition to the installation, the cosmonauts were tasked with removing existing science hardware from the Poisk and Nauka modules [1, 3]. This process of swapping equipment is a routine part of the station's research cycle, allowing new studies to begin as older ones conclude.
The total duration for the operation was scheduled for five hours [1]. Such missions require precise coordination between the crew and ground control to manage oxygen levels and tethering safety during the transition between modules.
Roscosmos managed the EVA as part of the broader international effort to maintain the ISS. The Russian segment provides essential propulsion and attitude control for the entire orbital complex [3].
“Russian cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev began a planned five-hour spacewalk”
This mission highlights the ongoing technical interdependence of the International Space Station. By maintaining the Zvezda service module and updating scientific payloads, Roscosmos ensures the continued viability of the Russian segment, which provides critical stabilization and propulsion for the entire station regardless of terrestrial political tensions.
