1月19日上午，神舟二十号飞船返回舱在东风着陆场成功着陆，带回一套"飞天战衣"。这位中国航天员 的"老战友"——舱外服B，是我国空间站首套实现"4年20次"目标的舱外航天服。在这套"飞天战衣"中， 一些关键部件是"河南制造"的智慧结晶。 面窗组件是航天员在外太空活动时观察外界的窗口，被形容为航天员的"眼睛"。神舟二十号飞船返回舱 此次带回的"飞天战衣"，使用的就是郑州大学研制的新一代航天面窗。 郑州大学橡塑模具国家工程研究中心执行主任刘春太介绍，航天面窗需在极高温和极低温的极端环境下 保持性能稳定。为了破解这一难题，该中心开展了包括计算机科学、材料科学、力学在内的多学科研 究，研制出的新一代面窗主要有四层结构：两层为压力面窗，中间充氮，起到隔热和防结雾的作用；外 层为可更换防护面窗；最外层为滤光面窗，航天员可根据自身位于阳照区和阴影区位置来打开或者放 下，防止光线射入眼睛。 此项技术和产品，已多次应用在"神舟"载人飞船发射任务中，并获得国家专利。自2021年5月29日随"天 舟二号"货运飞船飞行以来，在8次载人飞行任务中接力使用，并由原设计指标的15次实现了"4年20 次"延寿目标。（记者 尹江勇 樊雪婧） ...

Core Viewpoint - The Shenzhou-20 spacecraft successfully returned to Earth after an extended stay in space, marking a significant milestone in China's manned space program, particularly as it was the longest duration for a Shenzhou spacecraft in orbit at 9 months [1][3][15]. Group 1: Mission Details - The Shenzhou-20 spacecraft was originally scheduled to return in early November but was delayed due to a crack found in the spacecraft's window [5][9]. - The decision was made to prioritize the safety of the astronauts, leading to the crew returning on the Shenzhou-21 spacecraft instead [1][13]. - The Shenzhou-20 spacecraft remained in a stable condition and was able to continue its mission in space for an additional three months [11][15]. Group 2: Technical Aspects - The spacecraft's ability to remain in orbit for 9 months was validated through ground experiments, and this mission provided real-time data on the effects of prolonged space exposure on the spacecraft's systems [17][26]. - The return of the Shenzhou-20 allowed for the transport of larger cargo, including a new generation of space suits and other equipment, which would aid in the development of future space missions [19][22]. Group 3: Future Implications - The successful return of the Shenzhou-20 spacecraft contributes valuable data for the development of next-generation manned spacecraft, enhancing the understanding of long-duration spaceflight [26]. - The mission's completion signifies a successful emergency response capability for China's space program, reinforcing the importance of adaptability in space exploration [26].

央视网消息：这次随神舟二十号飞船返回舱下行的物品，包括一套超期服役的舱外航天服和空间应 用系统的多个大件产品。舱外服B在太空环境暴露以后，其材料会受到各种极端条件的影响，返回地球 后，将为开展舱外服的研究发挥巨大作用。 ...

Core Viewpoint - The successful return of the Shenzhou-20 spacecraft marks a significant achievement in China's space program, particularly in the development and evaluation of extravehicular spacesuits, which have demonstrated extended service life and enhanced performance in space missions [1][3]. Group 1: Spacesuit Performance and Evaluation - The extravehicular spacesuit (B) has been used in 8 manned missions by 11 astronauts, achieving a record of "4 years and 20 uses," which is a significant extension of its intended lifespan [12]. - The spacesuit is designed for a storage period of 3 years in orbit, with a minimum of 15 extravehicular activities, but has been successfully evaluated and extended to support 20 activities over 4 years [3][12]. - The data collected from the spacesuit's performance in space will contribute to future research and development, particularly in improving the durability and efficiency of upcoming spacesuit models [5][8]. Group 2: Technological Advancements and Future Applications - China's spacesuit technology has progressed from a following position to a competitive one internationally, with the first batch of spacesuits effectively supporting 46 extravehicular activities [3]. - The experience gained from the current spacesuit will inform the design and production of future models, including those intended for lunar missions, providing a solid foundation for advancements in space exploration technology [10][14]. - The ongoing analysis of the returned spacesuit will focus on identifying weaknesses and enhancing the reliability and safety of future designs [7][8].

Core Viewpoint - The Shenzhou-20 crew successfully completed their mission in space, spending 203 days in orbit and achieving significant scientific results before returning to Earth on November 14 [1][12]. Group 1: Mission Achievements - The Shenzhou-20 mission covered various fields including space life sciences, microgravity fundamental physics, space materials science, aerospace medicine, and new aerospace technologies, yielding several key results [3]. - Notable achievements include the production of high-quality protein crystals that may provide potential targets for cancer treatment, the successful heating of tungsten alloy to 3100 degrees Celsius, setting a new record for space materials science experiments, and the first discovery of charged colloids crystallizing into long-lived metastable structures in microgravity [6]. - The crew conducted four extravehicular activities and seven payload operations, completing tasks such as the installation of space debris protection devices and external facility inspections, which enhanced the efficiency of extravehicular operations [10]. Group 2: Collaboration and Logistics - In July, the Shenzhou-20 welcomed the arrival of the Tianzhou-9 cargo spacecraft, which delivered 6.5 tons of supplies, including consumables, propellants, and new extravehicular spacesuits, while also allowing for a "lifespan assessment" of existing suits [8]. - During the extended stay due to a suspected impact from micro-debris, the Shenzhou-20 crew collaborated with the Shenzhou-21 crew to conduct in-orbit scientific experiments, sharing experiences and data [12].

Core Points - The Shenzhou 20 astronaut crew is scheduled to return on November 14 aboard the Shenzhou 21 spacecraft, with all crew members in good condition and preparations underway at the landing site [1] - The Shenzhou 20 mission lasted 203 days, during which the crew completed all planned tasks, achieving significant results in various scientific fields [2][4] Group 1: Mission Achievements - The crew conducted experiments in space life sciences, microgravity fundamental physics, space materials science, aerospace medicine, and new aerospace technologies, yielding phase results [2] - Notable achievements include the successful growth of high-quality protein crystals, which may provide potential targets for cancer treatment, and the heating of tungsten alloy to 3100 degrees Celsius, setting a new record for international space materials science experiments [2] - The crew also discovered charged colloids crystallizing into long-lived metastable structures in microgravity [2] Group 2: Additional Activities - During the mission, the crew took care of zebrafish and a space vegetable garden, contributing to the life atmosphere of the space station and providing valuable experimental data [4] - In July, the Shenzhou 20 received a cargo delivery from the Tianzhou 9 spacecraft, which included supplies for the astronauts and new extravehicular spacesuits, along with valuable data from the evaluation of existing suits [7] - The crew completed four extravehicular activities and seven payload transfer tasks, including the installation of space debris protection devices and external auxiliary equipment, enhancing the efficiency of extravehicular operations [10] Group 3: Delays and Collaboration - The return of the Shenzhou 20 was delayed due to a suspected impact from small space debris, allowing the crew to collaborate with the Shenzhou 21 crew on in-orbit scientific experiments [13]

Core Points - The Shenzhou 21 manned mission is scheduled for launch on October 31, 2023, at 23:44 Beijing time, with a crew consisting of Zhang Lu, Wu Fei, and Zhang Hongzhang [6] - This mission marks the sixth manned flight during the application and development phase of the space station and the 37th flight of the manned space program [7] - The crew will conduct 27 scientific and application projects, including experiments on space life sciences and microgravity fluid physics [8][9] Group 1: Mission Overview - The primary objective of the Shenzhou 21 mission is to complete an in-orbit crew rotation with the Shenzhou 20 crew and to stay in the space station for approximately six months [7] - The mission will involve various tasks such as extravehicular activities, cargo handling, and installation of space debris protection devices [7] - The Shenzhou 21 spacecraft will autonomously dock with the Tianhe core module approximately 3.5 hours after entering orbit [7] Group 2: Scientific Research - The mission will include the first domestic space experiment with rodents, studying the effects of microgravity on behavior and physiological responses [8] - Additional projects will explore the origins of genetic codes and chirality in space environments [8] - The mission aims to provide a foundation for future scientific research and applications in space [9] Group 3: International Cooperation - China plans to arrange for a Pakistani astronaut to participate in a short-term flight mission as part of ongoing international cooperation in manned spaceflight [10] - The selection process for the Pakistani astronaut is underway, with training scheduled to take place in China [10] Group 4: Astronaut Profiles - Zhang Lu, the commander of the Shenzhou 21 mission, emphasizes the importance of thorough training and preparation for the mission [15] - Wu Fei, the youngest astronaut in the mission, has transitioned from an engineering role to a flight engineer, focusing on a broader range of knowledge [20][22] - Zhang Hongzhang, a payload specialist, brings his research background to the mission, highlighting the significance of conducting experiments in space [24][26] Group 5: Future Goals - China remains committed to achieving manned lunar landings by 2030, with ongoing development of key technologies and systems [12] - The country is increasingly involving commercial entities in space projects, enhancing the pace of development [13][14]

Core Points - The Shenzhou 21 manned mission is scheduled for launch on October 31, 2023, at 23:44 Beijing time, with a crew consisting of Zhang Lu, Wu Fei, and Zhang Hongzhang, representing three types of active astronauts in China [1] - The mission aims to conduct in-orbit rotation with the Shenzhou 20 crew, stay in the space station for approximately six months, and perform various scientific and application experiments [2][3] - The crew will carry out 27 new scientific and application projects, including experiments on space life sciences and microgravity fluid physics [3] - A Pakistani astronaut is planned to be selected for a short-term flight mission to the Chinese space station, promoting international cooperation in space exploration [4] - Two astronauts from Hong Kong and Macau have integrated into the astronaut team and are undergoing training for future missions [5] - The mission will utilize improved extravehicular spacesuits that have been tested for durability and comfort [6] - China is committed to achieving manned lunar landing by 2030, with ongoing development of various spacecraft and technologies [7] - The commercial space sector is increasingly involved in the development of space station and lunar exploration projects, enhancing efficiency and innovation [8] Mission Details - The Shenzhou 21 mission will involve autonomous rapid rendezvous and docking with the Tianhe core module, forming a combination of three spacecraft and three modules [2] - The crew will engage in space science education and public welfare activities during their stay [2] - The mission will include the installation of space debris protection devices and other external equipment [2] Scientific Research - The mission will focus on key scientific issues in various fields, including space medicine and new technologies [3] - Notable experiments include the first in-orbit study of rodents to understand the effects of microgravity on behavior [3] - Research will also explore the origins of genetic codes and the relationship between chirality and amino acids in space [3] International Collaboration - The selection process for a Pakistani astronaut is underway, with training and preparation being conducted in both Pakistan and China [4] - The initiative aims to foster international cooperation in space exploration and technology development [4] Astronaut Profiles - Zhang Lu, the commander, emphasizes the importance of thorough training and preparation for the mission [9][12] - Wu Fei, the youngest astronaut, focuses on broadening his knowledge across multiple disciplines to ensure effective problem-solving in space [14][15] - Zhang Hongzhang, a payload specialist, expresses the responsibility and honor of conducting experiments in space, highlighting the collaborative effort of ground researchers [18][21]

Core Points - The Shenzhou 21 mission is set to launch on October 31, 2023, with a crew of three astronauts, including Zhang Lu, who will serve as the commander, and two first-time space travelers, Wu Fei and Zhang Hongzhang [1][2] - This mission marks a significant step in China's manned space program, showcasing a diverse crew representing different generations and expertise [1][4] Group 1: Astronaut Profiles - Zhang Lu, the commander, has extensive experience and is expected to break the record for the most spacewalks by a Chinese astronaut [2][3] - Wu Fei, at 32 years old, is the youngest astronaut to execute a mission for China, bringing a background in spacecraft thermal testing [5][6] - Zhang Hongzhang, a payload specialist, has a strong research background in new materials and will conduct scientific experiments in space [7][9] Group 2: Mission Objectives and Expectations - The crew aims to achieve several milestones, including the first "space rendezvous" and the completion of multiple spacewalks, contributing to the establishment of a long-term human presence in space [3][4] - The astronauts will engage in various scientific experiments, including thermal control system tests and other research projects, enhancing China's capabilities in space technology [6][10] - The mission is expected to foster collaboration between astronauts and ground researchers, ensuring the successful execution of complex experiments [10]

Core Points - The article highlights the importance of university museums in fostering scientific interest and innovation among students through engaging exhibits and stories of renowned scientists [2][3][4][5][8]. Group 1: University Museums and Their Role - University museums serve as vital components of the scientific innovation system, providing students with immersive experiences in science and technology [2]. - Exhibits in these museums often showcase the contributions of historical figures in science, inspiring students to pursue their academic and professional goals [3][4][5]. Group 2: Inspirational Stories of Scientists - The stories of scientists like Qian Xuesen and Yuan Longping are prominently featured, emphasizing their dedication to national development and the impact of their work on future generations [3][4]. - Students express how these narratives motivate them to contribute to their fields and serve their country, reflecting a strong sense of responsibility and ambition [4][9]. Group 3: Engaging Exhibits and Activities - Various universities organize activities and exhibitions that highlight significant scientific achievements, such as the development of nuclear energy and aerospace technology [5][6][7]. - The hands-on experiences and educational programs offered in these museums are designed to ignite students' passion for science and technology [8][9].