从发现险情到“换乘”返回 神二十乘组讲述太空应急处置过程

Core Viewpoint - The Shenzhou 20 crew successfully addressed an emergency situation involving a window crack caused by space debris, demonstrating effective teamwork and preparedness in China's manned space program [3][4]. Group 1: Emergency Response - The crew discovered a triangular crack in the return capsule window during the final inspection before returning, which was initially assessed to be caused by space debris [3]. - Commander Chen Dong emphasized the importance of trusting the ground team and their training to handle emergencies effectively [3]. - The crew executed emergency protocols and coordinated with the ground team to ensure a safe return, completing the process in just over 20 days [3]. Group 2: Crew Experience and Achievements - Chen Dong has completed six extravehicular activities (EVAs) and has become the first Chinese astronaut to spend over 400 days in space [4]. - Chen Zhongrui, who faced challenges during his first EVA, highlighted the importance of mental and physical stability, developing a "three steadiness and one slowness" approach to operations [5]. - Wang Jie, a flight engineer, underscored the significance of applying ground knowledge to space operations, particularly in maintaining life support systems [6]. Group 3: Post-Mission Recovery - After returning, the Shenzhou 20 crew underwent isolation and recovery phases, with all medical checks returning to normal levels [6]. - The crew's physical condition, including muscle strength and cardiovascular function, has largely returned to pre-flight levels, allowing them to transition back to regular training [6].