新华社快讯：目前，神舟二十一号航天员乘组在轨状态良好，正按计划完成各项既定工作。神舟二十号 飞船将继续留轨开展相关试验。 ...

新华社快讯：目前，神舟二十一号航天员乘组在轨状态良好，正按计划完成各项既定工作。神舟二十号 飞船将继续留轨开展相关试验。 ...

Core Viewpoint - The successful landing of the Shenzhou 21 manned spacecraft marks a significant achievement in China's space exploration efforts, highlighting advancements in human spaceflight capabilities and scientific research in microgravity environments [1] Group 1: Mission Details - The Shenzhou 21 spacecraft's return capsule successfully landed at the Dongfeng landing site on November 14, 2025, at 16:40 Beijing time [1] - The spacecraft's orbital module and return capsule successfully separated after the ground control issued the return command at 14:49 [1] - The return capsule was confirmed to have landed safely, with rescue teams promptly reaching the site [1] Group 2: Astronauts and Duration - The Shenzhou 20 crew, consisting of astronauts Chen Dong, Chen Zhongrui, and Wang Jie, spent a total of 204 days in orbit, setting a new record for the longest single crew duration in space for China [1] - During their mission, the crew conducted four extravehicular activities and multiple cargo transfer tasks [1] Group 3: Scientific Contributions - The mission involved extensive scientific experiments across various fields, including microgravity fundamental physics, space materials science, space life science, aerospace medicine, and aerospace technology [1]

神二十航天员乘组，预计今天下午返回东风着陆场。通过动画演示，一起了解一下神舟二十号三名航天 员的回家之路。 0:00 神舟二十一号先后在19米、200米停泊点停泊，并完成180度的掉头。绕飞地球后，进入冲刺阶段，共有 四组关键动作： 01 开伞 返回舱继续下降到10公里高度时，要执行第三步关键动作——开伞。开伞的过程是三级开伞，引导伞、 减速伞，主伞。1200平方米的主伞打开后，返回舱下降速度降低到每秒7至8米。到大约6公里高度时， 返回舱将防热大底抛掉。 04 着陆 第四步关键动作——着陆。距离地面1米左右时，四个着陆反推发动机会同时点火，返回舱进一步减 速，最终以每秒2米左右的速度着陆。 第一组动作先是一次调姿，飞船水平方向旋转90度。轨道舱和返回舱之间分离，轨返分离之后，飞船进 行二次调姿。两次调姿、轨返分离，两分钟左右全部完成。随后，返回制动持续150秒到180秒左右。 02 "黑障区" 在距离地面约145公里时推进舱和返回舱分离。大约在120公里高度，进行配平攻角调整。在距离地面大 约100公里高度时，返回舱冲进大气层。由于和大气发生剧烈摩擦，返回舱如同一个火球在天际划过， 在大约80至40公里高度 ...

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 handover ceremony between the Shenzhou-20 and Shenzhou-21 astronaut crews took place on November 4, 2025, marking a significant event in China's space exploration efforts [1] - The transfer of the "key" to the Chinese space station symbolizes the continuity and inheritance of the Chinese space spirit [1] Summary by Categories Event Details - The handover ceremony involved the exchange of responsibilities between two astronaut crews, emphasizing the smooth and orderly transition [1] Symbolism - The act of handing over the "key" represents not only a logistical transition but also the ongoing legacy and spirit of China's achievements in space exploration [1]

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]

Group 1 - The Shenzhou-20 mission marks China's sixth successful space rendezvous, showcasing advancements in space technology and operations [3] - The mission involves a crew of six astronauts who will work and live in the space station for approximately five days [8] - The Shenzhou-20 crew has completed multiple extravehicular activities (EVAs), with the latest being the installation of protective devices and equipment inspections [4][6] Group 2 - The Shenzhou-20 mission is characterized by its efficient docking process, taking about 6.5 hours to complete [4] - This mission is notable for being the first to have two command leaders from the Shenzhou-20 crew performing joint extravehicular tasks [6] - The astronauts have successfully completed a total of six EVAs, making them the most active Chinese astronauts in terms of extravehicular missions [5]

Core Points - China is set to launch the Shenzhou-21 manned spacecraft on October 31 at 23:44 Beijing time, with a crew consisting of Zhang Lu, Wu Fei, and Zhang Hongzhang [1] - The primary objective of the Shenzhou-21 mission is to conduct an in-orbit crew rotation with the Shenzhou-20 crew, stay in the space station for approximately six months, and perform various scientific and application tasks [1] - The Shenzhou-21 spacecraft will utilize an autonomous rapid rendezvous and docking mode, docking with the Tianhe core module approximately 3.5 hours after entering orbit [1] Mission Details - The Shenzhou-21 crew will engage in space science and application work, extravehicular activities, cargo operations, and installation of space debris protection devices [1] - The mission will also include public education activities and space-based experiments to maximize the comprehensive application benefits of the space station [1] - During the stay in orbit, the Shenzhou-21 crew will receive visits from the Tianzhou-10 cargo spacecraft and the Shenzhou-22 manned spacecraft [1] Shenzhou-20 Crew Status - The Shenzhou-20 crew has been in orbit for 188 days, potentially setting a new record for the longest duration of a Chinese astronaut crew in space [2] - Commander Chen Dong has become the first Chinese astronaut to exceed 400 days in space and has completed six extravehicular activities, making him the most experienced in this regard among Chinese astronauts [2] - The other two crew members, Chen Zhongrui and Wang Jie, are successfully completing their first flight missions [2]

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]