Two Roscosmos cosmonauts performed a spacewalk Wednesday to install scientific hardware and remove old equipment from the International Space Station [1].
These extravehicular activities are critical for maintaining the station's operational capacity and advancing astrophysics. By updating sensors and removing debris, the crew ensures the facility can continue hosting high-precision experiments in microgravity.
Sergey Kud-Sverchkov and Sergei Mikaev began the mission at approximately 10:15 a.m. EDT [1]. The excursion lasted roughly five hours [1]. The cosmonauts focused their work on the Roscosmos segment, specifically the Zvezda service module, and the Poisk and Nauka modules [1].
The primary objective of the mission was the installation of new scientific instruments. The crew placed a solar-radiation experiment and a semiconductor experiment on the station's exterior [1]. They also installed an X-ray detector to gather data on cosmic phenomena [1].
In addition to the new installations, the cosmonauts managed the station's external waste. They removed an outdated HDTV camera and jettisoned other trash to clear space for new equipment [1]. This process of replacing legacy hardware is a routine but necessary part of the station's lifecycle management.
The mission involved navigating the complex exterior of the Russian segment, where the cosmonauts worked in tandem to secure the new detectors. These tools are designed to measure the impact of space radiation on materials and electronics, providing data that could inform the design of future spacecraft [1].
“The cosmonauts focused their work on the Roscosmos segment, specifically the Zvezda service module, and the Poisk and Nauka modules.”
The installation of semiconductor and solar-radiation experiments highlights a continued focus on understanding how long-term exposure to cosmic radiation affects electronic components. This data is essential for the development of more resilient hardware for future deep-space missions beyond low Earth orbit.




