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]