"是桂海潮航天员！"9月11日，北京航空航天大学校内，正在北京航空航天博物馆研学的山东青岛五十 八中学生刘冠良发现一个熟悉的身影。 "我想问一下在场同学，航天服分几个类别？"馆藏的舱外航天服旁，北航宇航学院教授、航天员桂海潮 正为研究生讲解，吸引了许多参观者。 "我仿佛看到航天员穿着航天服，遨游太空……"这天，刘冠良在日记中写道。 高校是科技创新体系的重要组成部分，许多高校的博物馆、纪念馆等有浓浓的科技味。在这里，同学们 畅游科学海洋，接受精神洗礼，立下科学志向。 听科学家故事 "我愿竭尽全力，和中国人民一道建设自己的国家，使我的同胞能过上有尊严的幸福生活。"上海交通大 学钱学森图书馆红色外墙上，镌刻着钱学森的话语。静静驻足品读，上海交大2025级本科生何子杰十分 感动。 "高中时，我就听过钱学森图书馆馆长的报告。今年，我考入上海交大，成为钱老的校友。"何子杰说， 钱学森的故事一直鼓舞着自己。 1955年，钱学森冲破重重阻挠，毅然回到祖国怀抱，为中国航天事业作出了不可磨灭的历史性贡献。最 近，上海交大钱学森图书馆举办"破壁者的越洋归航"新生参观活动。一件件展品，诉说着当年的故 事："克利夫兰总统号"邮轮上的票 ...

作为一名航天飞行工程师，航天员王杰收获满满。他说："请祖国和人民放心，我们在中国空间站'感觉 良好'。接下来，我们将继续完成各项科学实验，做好迎接神舟二十一号乘组的各项准备，圆满完成神 舟家族太空接力中属于我们的这一棒。" 每逢佳节倍思亲。神舟二十号航天员乘组虽身处400公里外的"太空家园"，心里却始终思念着祖国家 园。 "我爱你，中国！"中国空间站经过首都北京上空时，他们深情地说，"我们在中国空间站，祝福伟大的 祖国国泰民安、繁荣昌盛。"（完） "每当身着舱外航天服在太空中遥望祖国大地，心中充满了自豪和荣光。"航天员陈中瑞说，如今，"太 空菜园"喜获丰收，见证着航天探索的神奇力量。"感谢伟大祖国给予我们飞天逐梦的舞台，我们一定不 负重托，守护好中国人的'太空家园'。" 在空间站工作生活期间，神舟二十号航天员乘组在空间生命与人体研究、微重力物理科学、空间新技术 等领域开展多项实（试）验与应用。目前，他们承担的各项任务进展顺利。 新华社北京10月1日电（李国利、邓孟）今天是新中国成立76周年，正在太空出差的神舟二十号航天员 乘组通过视频祝福伟大祖国繁荣昌盛，祝福全国各族人民幸福安康。 "这是我第二次在太空为祖国 ...

Core Viewpoint - The Shenzhou 20 crew is preparing for their fourth extravehicular activity (EVA) as part of China's space station program, indicating ongoing advancements in the country's space exploration efforts [1] Group 1 - The Shenzhou 20 crew will conduct the fourth EVA soon, showcasing the progress of China's manned space missions [1] - Astronauts have completed checks and tests on their extravehicular suits, indicating thorough preparation for the upcoming activity [1] - The space station's operational stability is confirmed, and the Shenzhou 20 crew is reported to be in good condition, ready for the EVA [1]

Core Insights - The Shenzhou-20 mission continues with astronauts Chen Dong, Chen Zhongrui, and Wang Jie engaged in various tasks aboard the space station [1] Group 1: Extravehicular Activities - The new extravehicular spacesuits D and E were unpacked, transported, and inspected for functionality [2] Group 2: Life Sciences and Biotechnology Experiments - Research on the impact of space environment on the human blood-brain barrier using organ-on-a-chip technology was conducted, aiming to provide health risk predictions for long-term space missions [4] - Experiments related to bone metabolism and microbial interactions with nutrition were completed, including the use of a Raman spectrometer to analyze urine samples [6] Group 3: Space Technology and Applications - Microbial control technology tests were performed in the extraterrestrial habitat, assessing the effectiveness of disinfection methods [8] - Installation of the core technology verification project for advanced material energy conversion and regeneration systems was completed [10] Group 4: Microgravity Physics - Tasks related to combustion science experiments were carried out, including the replacement of experimental burner components [12] Group 5: Training and Health Maintenance - A mixed reality training device was tested, allowing astronauts to interact smoothly using voice and gesture commands [13] - Health maintenance activities included measurements of bone density, muscle dimensions, and strength tests, along with exercises to counteract weightlessness [15]

Core Insights - The Shenzhou-20 crew, consisting of three astronauts, is actively engaged in various tasks aboard the Chinese space station, showcasing significant advancements in space research and technology [1][2]. Group 1: Space Suit and Equipment - The crew completed the unpacking, transfer, and functional checks of the new extravehicular space suits D and E, which are expected to debut in space soon [2]. - Installation and testing of a -80℃ space refrigerator in the Wentian laboratory module were also completed [15]. Group 2: Life Sciences and Health Research - Research on the impact of space environment on the human blood-brain barrier using organ-on-chip technology is underway, aiming to provide health risk predictions for long-term space missions [2]. - The crew conducted various studies in space medicine, including bone metabolism and microbiome-nutrition interactions, utilizing a Raman spectrometer to analyze metabolic components in urine samples [5][18]. Group 3: Microbial Control and Environmental Studies - Ongoing experiments focus on microbial control technologies in extraterrestrial habitats, with bacteria detection tests performed before and after disinfection to evaluate effectiveness [8]. - The crew is also studying the effects of respiratory tract microorganisms on respiratory health by collecting and preserving throat swabs for later analysis [9]. Group 4: Physical Science and Technology Development - The crew replaced components in combustion science experiments and installed equipment for the core technology verification project related to integrated microbial fuel cells for wastewater purification and energy utilization in space [11][12]. - A mixed reality training device was tested, allowing astronauts to interact with the system using voice and gesture commands [13][16].

Group 1 - The Shenzhou 20 astronaut crew has been in orbit for 90 days, with astronauts Chen Dong, Chen Zhongrui, and Wang Jie nearing the midpoint of their mission [1] - Today marks the third anniversary of the launch of the Wentian laboratory module, which Chen Dong witnessed during its launch [3] - The Shenzhou 20 manned spacecraft was successfully launched on April 24, 2025, by the Long March 2F Yao 20 rocket from the Jiuquan Satellite Launch Center [5] Group 2 - The Shenzhou 20 crew entered the "space home" and immediately began their work, focusing on life sciences, microgravity physics, and new space technologies during their 90-day mission [9] - Various tasks such as docking, medical rescue, emergency training, and system pressure drills are being conducted as planned [11] - Routine activities include environmental monitoring, equipment maintenance, inventory management, medical checks, and exercise [13][14] Group 3 - The crew conducted their first spacewalk on May 22, where they installed a space debris protection device and performed inspections [16][18] - This was the first time astronauts exited through the core module's node cabin, and Chen Zhongrui completed his first spacewalk [18] - On June 26, the crew successfully completed their second spacewalk, which lasted approximately 6.5 hours, enhancing the efficiency of future spacewalks by about 40 minutes [20][21] Group 4 - On July 8, the Tianzhou 8 cargo spacecraft separated from the space station, transitioning to independent flight [23] - The crew confirmed the status of the docking passage and watched the launch of the Tianzhou 9 cargo spacecraft, which delivered approximately 6.5 tons of supplies, including scientific experiment materials and space suits [25][27] - The Shenzhou 20 crew's 90-day mission has been fulfilling and exciting, with hopes for successful future work and updates from the "Tiangong" [29]

Core Viewpoint - The successful launch and docking of the Tianzhou-9 cargo spacecraft marks a significant advancement in China's space logistics capabilities, enhancing the operational efficiency and reliability of the country's space station program [1]. Group 1: Key Highlights of the Mission - The Tianzhou-9 spacecraft carried approximately 6.5 tons of supplies, setting a new record for cargo weight delivered to the space station [2]. - Notable cargo included two new sets of extravehicular spacesuits, which have an improved lifespan of four years and twenty uses, compared to the previous three years and fifteen uses [2]. - The mission also expanded the variety of space food, adding nearly 30 new dishes, bringing the total to over 190, thus extending the food supply cycle from seven to ten days [2]. - A total of 776.5 kilograms of scientific experiment-related materials were sent, covering 23 scientific experiments in fields such as space life sciences and microgravity fluid physics [2]. Group 2: Technological Innovations in Docking - The Tianzhou-9 achieved a fully autonomous docking with the Chinese space station, marking the third implementation of a three-hour docking procedure, which is now the standard for future missions [3]. - This docking method reduces the requirements for rocket launch conditions and enhances mission reliability compared to previous methods [3]. - The mission faced new challenges, including docking at a new orbital altitude and under specific solar angle conditions, which were addressed through extensive data analysis and simulations [3]. Group 3: Future Directions for Space Logistics - The Tianzhou cargo spacecraft is recognized as one of the most capable cargo transporters in the world, supporting space station operations and scientific experiments [4]. - The Tianzhou-9 mission also included two experimental payloads aimed at testing new space technologies to improve overall mission efficiency [5]. - The development of additional cargo spacecraft, such as the Qingzhou and Haolong, is underway, which will enhance the flexibility and cost-effectiveness of China's space logistics system [5].

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]

Core Insights - The Shenzhou-20 astronaut crew has been working and living in the Chinese space station for over 20 days, engaging in scientific experiments and emergency drills [1][4] - The crew has conducted biological technology experiments and completed the first full-system pressure emergency drill, simulating internal pressure loss scenarios [4] - Regular maintenance and checks of onboard equipment, including low-temperature storage for biological samples and spacesuits, have been performed [8][9] Group 1 - The Shenzhou-20 crew is actively involved in space science experiments, including observing microbial effects in cell culture modules [4] - The crew successfully completed a full-system pressure emergency drill, demonstrating effective "Earth-space collaboration" for emergency response [4] - Regular inspections and maintenance of the low-temperature storage device and spacesuits have been carried out to ensure operational readiness [8] Group 2 - The crew has maintained a clean and organized environment within the space station, including waste management and material organization [9] - Health maintenance activities include daily exercise and various medical checks, such as ECG and dynamic blood pressure measurements, to monitor the astronauts' health [10]