Core Points - The "Soyuz MS-27" spacecraft safely landed in Kazakhstan, concluding an 8-month mission with three astronauts on board [1] - The astronauts included two Russians, Sergey Rezhikov and Alexey Zubritskiy, and one American, Jonny Kim [1] - During their stay at the International Space Station (ISS), the astronauts conducted 42 scientific experiments [1] Group 1 - The "Soyuz MS-27" spacecraft launched on April 2025 from Baikonur Cosmodrome and docked at the ISS [1] - Rezhikov and Zubritskiy performed two spacewalks, installing devices for semiconductor material generation experiments and plasma injection for monitoring environmental conditions [1] - Rezhikov took over as the ISS commander in August 2023 and transferred the role to American astronaut Mike Fincke on December 7 [1] Group 2 - The mission included the breeding of fruit flies, resulting in 14 generations during their stay [1] - The first spacewalk involved installing the "Screen-M" device on the "Science" module [1] - The second spacewalk focused on the installation of a pulsed plasma injector for conducting experiments related to pressure, electric fields, and magnetic fields near the ISS surface [1]

Core Points - The Russian space agency announced that two astronauts conducted a spacewalk lasting 6 hours and 54 minutes, successfully returning to the International Space Station [1] - The main task of the spacewalk was to install a pulsed plasma injector on the "Science" module, along with cleaning the module's windows [1] - The pulsed plasma injector is intended for research on the impact of satellites on Earth's ionosphere, particularly during magnetic storms or solar flares [1] Summary by Sections - **Spacewalk Details** - The spacewalk took place from October 28 to 29, with astronauts Sergey Rezhikov and Alexey Zubritsky exiting the module at 17:19 Moscow time [1] - This was the second spacewalk for these astronauts in October [2] - **Scientific Objectives** - The installation of the pulsed plasma injector is aimed at facilitating research on the ionosphere during specific solar events [1]