神舟二十一号航天员乘组9日圆满完成第一次出舱活动，完成了神舟二十号飞船返回舱舷窗巡检拍照等 任务。 来源：新华社 （文章来源：证券时报） 12月9日，神舟二十一号航天员乘组圆满完成第一次出舱活动。新华社记者刘艺摄 据中国载人航天工程办公室介绍，12月9日10时28分，经过约8小时的出舱活动，神舟二十一号乘组航天 员张陆、武飞、张洪章密切协同，在空间站机械臂和地面科研人员的配合支持下充分发挥人在舱外第一 现场的能动作用，顺利完成了神舟二十号飞船返回舱舷窗巡检拍照、空间站空间碎片防护装置安装、温 控适配器多层罩更换等任务。出舱航天员张陆、武飞已安全返回问天实验舱，出舱活动取得圆满成功。 指令长张陆时隔两年半再度漫步太空，航天员武飞成为我国目前执行出舱任务的最年轻航天员。 按计划，神舟二十一号载人飞行任务期间还将实施人员和应用载荷出舱活动，开展科学实验与技术试 验，并视情由航天员乘组对神舟二十号飞船受损舷窗进行防护处置。 ...

证券时报各平台所有原创内容，未经书面授权，任何单位及个人不得转载。我社保留追 究相关 行 为主体 法律责任的权利。 按计划，神舟二十一号载人飞行任务期间还将实施人员和应用载荷出舱活动，开展科学实验与技术试验，并视 情由航天员乘组对神舟二十号飞船受损舷窗进行防护处置。 来源：新华社 责编：李丹 校对：刘榕枝 版权声明 12月9日，神舟二十一号航天员乘组圆满完成第一次出舱活动。新华社记者 刘艺 摄 神舟二十一号航天员乘组9日圆满完成第一次出舱活动，完成了神舟二十号飞船返回舱舷窗巡检拍照等任务。 据中国载人航天工程办公室介绍，12月9日10时28分，经过约8小时的出舱活动，神舟二十一号乘组航天员张 陆、武飞、张洪章密切协同，在空间站机械臂和地面科研人员的配合支持下充分发挥人在舱外第一现场的能动 作用，顺利完成了神舟二十号飞船返回舱舷窗巡检拍照、空间站空间碎片防护装置安装、温控适配器多层罩更 换等任务。出舱航天员张陆、武飞已安全返回问天实验舱，出舱活动取得圆满成功。指令长张陆时隔两年半再 度漫步太空，航天员武飞成为我国目前执行出舱任务的最年轻航天员。 转载与合作可联系证券时报小助理，微信ID：SecuritiesTi ...

Core Insights - The Harbin Institute of Technology (HIT) is fostering a strong interest in aerospace among its students, as evidenced by their engagement with the university's Aerospace Museum and various projects [2][3][5]. Group 1: Student Engagement and Inspiration - The Aerospace Museum at HIT features significant exhibits such as the "Dongfanghong-1" satellite model, which has inspired students like Lin Chenyu to pursue aerospace studies [3][4]. - Lin Chenyu's journey from being a high school student captivated by space education to a university student reflects the impact of innovative teaching methods like the "Tian Gong Classroom" [3][4]. - The emotional connection students feel towards the achievements of past aerospace pioneers motivates them to contribute to future advancements in the field [4]. Group 2: Research and Development Projects - The "Astou Friendship" microsatellite project, involving nearly 50 students, showcases HIT's commitment to practical aerospace applications and new technology validation [5][6]. - The project faced challenges during its launch, particularly with the solar panels, which required innovative solutions from the ground control team to stabilize the satellite's power supply [5][6]. - Students like Yu Zhuowei are actively involved in developing power distribution systems for multiple satellites, emphasizing the importance of teamwork and legacy in aerospace engineering [6].

Core Insights - The Chinese space station has successfully hosted the Shenzhou 20 crew for over 180 days, marking a significant milestone in its operational timeline [2][11] - The crew has conducted multiple extravehicular activities and various scientific experiments, showcasing advancements in space medicine and microgravity physics [4][6][7] - The upgraded space vegetable garden has yielded fresh produce, highlighting the success of agricultural experiments in space [9] Group 1: Crew Activities - The Shenzhou 20 crew has completed four extravehicular activities, demonstrating their capabilities and the station's operational success [4] - The crew has engaged in experiments related to trust and collaboration mechanisms, fine motor control, and emergency decision-making, contributing valuable data for future space missions [6] Group 2: Scientific Research - Ongoing experiments in inertial particle dynamics have revealed unique particle movement patterns in microgravity, indicating potential for further research [7] - The successful cultivation of vegetables in the upgraded space garden reflects advancements in space agriculture technology [9] Group 3: Future Prospects - As the Shenzhou 20 crew prepares to return to Earth, the arrival of the Shenzhou 21 crew signifies continued collaboration and research opportunities in the space station [11]

Core Points - The Shenzhou 20 mission is expected to set a new record for the longest duration of a Chinese astronaut crew in space, currently at 188 days [1] - Commander Chen Dong has become the first Chinese astronaut to exceed 400 days in space, completing six extravehicular activities, the highest number for any Chinese astronaut [1] - The crew has successfully conducted four extravehicular activities and seven payload operations, including the installation of space debris protection devices and equipment inspections [1] Space Science and Applications - The Shenzhou 20 crew has achieved significant results in various fields, including space life sciences, microgravity fundamental physics, space materials science, aerospace medicine, and new aerospace technologies [2] - Notable achievements include the production of high-quality protein crystals in space, which may provide potential targets for cancer treatment, and successfully heating tungsten alloy to 3100 degrees Celsius, setting a new record for international space materials science experiments [2] - The crew also discovered that charged colloids crystallize into long-lived metastable structures under microgravity conditions [2] Mission Preparations - The Shenzhou 20 crew is currently engaged in preparations for crew rotation and return [3]

Core Viewpoint - The Shenzhou-20 crew successfully completed their fourth extravehicular activity (EVA), marking a significant milestone in China's space exploration efforts, with a focus on collaboration and efficiency in operations [1][10][12]. Group 1: Extravehicular Activity Details - The EVA was conducted by astronauts Chen Dong, Chen Zhongrui, and Wang Jie, who worked closely with ground support to complete tasks including the installation of space debris protection devices and inspection of external equipment [1][7]. - This EVA was notable as it was the first time two astronauts from the third batch worked together on an extravehicular task, showcasing the progress in training and operational capabilities [7][16]. - The astronauts utilized the Tianhe core module's robotic arm for the first time in this context, which allowed for optimized path planning and increased efficiency during the operation [10]. Group 2: Mission Progress and Future Plans - The Shenzhou-20 crew has been in orbit for over 150 days and has successfully completed four EVAs, along with numerous scientific experiments and maintenance tasks [12][14]. - Future plans include conducting additional scientific experiments and technical tests, as well as celebrating national holidays in space [14]. - The crew expressed gratitude for the support from ground teams and highlighted the collaborative spirit that contributed to the success of their missions [16][18].

Group 1 - The core viewpoint emphasizes the leadership of General Secretary Xi Jinping in guiding Tianjin's economic and social development since the 18th National Congress of the Communist Party, focusing on high-quality development during the "14th Five-Year Plan" period [1] - Tianjin is implementing ten actions to promote development through reform, including initiatives like "Beijing-Tianjin-Hebei coordinated development," "science and education-driven city," and "integration of port, industry, and city" [1] - The city is leveraging the high-quality development of the Binhai New Area as a strategic support point for the Beijing-Tianjin-Hebei coordinated development, aiming to establish a national advanced manufacturing and R&D base [3] Group 2 - Notable achievements during the "14th Five-Year Plan" include the development of significant manufacturing equipment, such as the underwater exploration node collection equipment "Haima," which supports marine oil and gas exploration [3] - The launch of the largest self-propelled dredging vessel in Asia, "Tongjun," with a capacity of nearly 40,000 cubic meters, is expected to enhance global dredging and port construction efforts [3] - Tianjin has also produced the Long March 5 series of carrier rockets, which have successfully transported modules for China's first space station, showcasing the city's capabilities in aerospace manufacturing [4]

Core Viewpoint - The Shenzhou 20 mission successfully completed its extravehicular activities with the assistance of the "Wukong AI" model, marking a significant advancement in the integration of artificial intelligence in space operations [1] Group 1: Mission Details - The Shenzhou 20 crew, consisting of astronauts Chen Dong, Chen Zhongrui, and Wang Jie, completed their extravehicular activities after approximately 6.5 hours [1] - The mission involved close collaboration between the astronauts and ground research personnel, utilizing the space station's robotic arm [1] Group 2: Technological Integration - The "Wukong AI" model, launched aboard the Tianzhou 9 cargo spacecraft, served as a new assistant for the Shenzhou 20 crew during their operations [1] - The AI model provided intelligent and specialized support for the astronauts' work in orbit, enhancing the efficiency and effectiveness of their tasks [1]

Group 1 - The Shenzhou-20 crew, consisting of astronauts Chen Dong, Chen Zhongrui, and Wang Jie, has been in orbit for nearly a month since their arrival at the Chinese space station on April 25 [1] - The crew completed the installation of a space debris protection device on the radial hatch of the core module, which reduces the adverse effects of micro-debris impacts [3] - The crew initiated a groundbreaking experiment on the effects of microgravity and radiation on the regeneration of planarians, marking the first domestic study of its kind [3] Group 2 - In the Wentian laboratory module, the crew observed biological samples and collected solid culture samples, which will aid in research on the microbial effects in cell tissue culture modules [5] - The crew transported cell experiment units to the medical sample preparation device for cultivation and conducted regular observations and sample preservation to support research on cell growth and differentiation in microgravity [5] - The crew conducted on-orbit medical training to familiarize themselves with rescue operations in microgravity and performed a full-system pressure emergency drill simulating internal depressurization [7] Group 3 - The crew completed maintenance and component replacement for various systems, including the regenerative life support system and water dispenser, and conducted cleaning and organization tasks within the station [7] - Regular health checks were performed, including hearing tests, ultrasound examinations, and dynamic electrocardiogram measurements, to monitor the astronauts' health status during their mission [9] - The crew conducted routine inspections and maintenance of three sets of extravehicular spacesuits, ensuring readiness for future spacewalks [9]