2025年11月25日12时11分，神舟二十二号飞船在我国酒泉卫星发射中心顺利发射升空，经过约3.5小时 后，成功对接于中国空间站天和核心舱前向端口。 从11月5日到25日，短短20天里，中国航天人用一整套近乎教科书级的操作，为国际航天领域应对突发 事件树立了成功范例。 疑似遭微小碎片撞击 玻璃上出现裂纹 2025年11月4日，在距离地球400公里的中国空间站内，神舟二十号航天员乘组，正在为返回做着最后的 准备。 与此同时，着陆场区指挥部也组织航天员、飞船、测控、通信、搜救等系统进行综合演练，以万全准 备，迎接航天员回家。 2025年11月5日上午，中国载人航天工程办公室发布消息，神舟二十号飞船疑似遭微小碎片撞击。 中国载人航天工程总设计师周建平：2025年11月4日，航天员进行舷窗检查的时候，发现舷窗的边缘有 一个局部的异常现象，玻璃上出现裂纹。最初的照片是用相机拍的，航天员又用空间站上40倍的显微 镜，对这个缺陷从不同的角度进行了拍照，这块玻璃是飞船舷窗最外层的玻璃，它是防热用的，非常重 要。 神舟二十号飞船发现疑似遭微小碎片撞击的消息，引起了各方关注，公众急切追问空间站安全以及航天 员返回消息。既有祝福 ...

Core Viewpoint - The Shenzhou-22 spacecraft is executing an "emergency launch" mission, marking the first implementation of a flexible mode for "unmanned upward cargo + manned downward return" [1] Group 1: Mission Details - The Shenzhou-22 mission was initiated due to the Shenzhou-20 spacecraft sustaining minor damage from space debris, resulting in fine cracks on its window [1][3] - The launch preparation process was significantly expedited, reduced from several days to just 16 days, presenting extreme challenges for assembly, testing, fueling, and system integration [1] Group 2: Technological Improvements - The Shenzhou-22 spacecraft is the first of a new batch and features two major upgrades: a significant enhancement of the instrument system for a more user-friendly interface and a miniaturization of the instrument panel to create more space in the return capsule [5][7] - The improvements in the instrument system not only enhance aesthetics but also provide greater installation space for downward payloads in the return capsule [7]

Core Points - The successful launch of the Shenzhou-22 spacecraft on November 25 marks China's first emergency launch in its manned space program, following an anomaly with the Shenzhou-20 spacecraft [1][23] - The rapid decision-making and execution of the emergency launch demonstrate China's advanced capabilities in manned spaceflight and emergency response [15][25] Group 1: Emergency Launch Details - The Shenzhou-22 spacecraft was launched to ensure the safety of astronauts after the Shenzhou-20 crew faced an emergency due to a suspected impact from space debris [3][5] - The decision to use the Shenzhou-21 spacecraft for the return of the Shenzhou-20 crew was made after thorough safety assessments indicated high risks associated with the damaged spacecraft [7][9] - The emergency launch was executed within a 16-day window, significantly shorter than the usual preparation time, showcasing the efficiency of the emergency response protocols [15][21] Group 2: Technical and Operational Challenges - The Shenzhou-21 spacecraft underwent significant optimization to facilitate a quicker return trajectory compared to the original plan [7][19] - Ground teams conducted extensive training and planning for search and rescue operations, adapting to the new landing zones due to the delayed return [11][19] - The launch involved meticulous coordination among various teams to ensure all systems were ready, including the preparation of supplies and scientific payloads for the mission [21][23] Group 3: Future Implications - The successful emergency response serves as a practical test of the "one main, one backup" model, enhancing the overall emergency response capabilities of China's manned space program [25] - Following the mission, further inspections and analyses of the Shenzhou-20 spacecraft will be conducted to improve safety measures and risk management in future missions [25]