视频丨巡检舷窗状态 安装防护装置 神二十一乘组首次出舱任务圆满完成

Core Viewpoint - The Shenzhou 21 crew successfully completed their first extravehicular activity, which included inspecting the Shenzhou 20 spacecraft and installing protective devices on the space station to enhance its defense against space debris [1][3][5]. Group 1: Extravehicular Activity Overview - The primary task of the extravehicular activity was to conduct a close inspection of the Shenzhou 20 spacecraft's window and surrounding structure due to previous concerns about potential space debris impact [3]. - The crew utilized high-definition cameras to capture images for ground personnel to confirm the status of the spacecraft's window and surrounding areas, aiding in future decision-making regarding the spacecraft [5]. Group 2: Technical Challenges and Innovations - This extravehicular activity presented unique technical challenges as it was the first time the space station operated with two manned spacecraft docked simultaneously, requiring advanced path planning and safety measures for the robotic arm [7]. - The mission team employed digital space station technology to simulate the entire extravehicular process, ensuring safety and reliability during the operation [7].