Core Insights - The Shenzhou-21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with multiple experimental projects underway in the national space laboratory [1] Group 1: Aerospace Medical Experiments - The Shenzhou-21 crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in ongoing studies [3] Group 2: Plant Growth Research - The Arabidopsis plant "Xiao Nan" has reappeared in the Wentian experimental module, previously serving as a "teaching assistant" in the "Tiangong Classroom" to help understand plant growth in space. In this mission, it will assist the research team in studying the regulatory networks of plant stem cells [5] Group 3: Microgravity Physics Experiments - The crew has completed the disassembly and replacement of experimental samples in the fluid physics experiment cabinet, changed gas sampling caps in the combustion science experiment cabinet, and performed maintenance on the experimental chamber and axial mechanism electrodes [7] Group 4: Lithium-Ion Battery Research - A project titled "In-Situ Electrochemical Optical Research of Lithium-Ion Batteries for Space Applications" has been initiated, leveraging the expertise of payload specialist Zhang Hongzhang to conduct in-situ optical observations of lithium dendrite growth in a microgravity environment [9] Group 5: Health Maintenance and Equipment Checks - The crew conducted regular maintenance on onboard equipment and upgraded some software. Additionally, they performed medical checks including bone density measurements, electrocardiograms, blood pressure checks, and vision assessments to monitor their health status in orbit [11]

Core Insights - The Shenzhou 21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with various multi-disciplinary experiments being conducted steadily in the national space laboratory [1] Group 1: Space Experiments - In the field of space medicine, the crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in ongoing studies [1] - The "Little South" plant, previously featured in the "Tiangong Classroom," is assisting the research team in studying the regulatory molecular network of plant stem cells during this mission [1] - The crew has completed the disassembly and replacement of experimental samples in the fluid physics experiment cabinet, as well as maintenance tasks in the combustion science experiment cabinet [1] Group 2: Health Monitoring - In terms of health maintenance and assurance, the astronauts have conducted daily physical exercises along with medical checks including bone density measurement, electrocardiogram and blood pressure checks, and visual function assessments to comprehensively monitor their health status in orbit [2]

Group 1 - The Shenzhou 21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with multiple experimental projects underway in the national space laboratory [1] - In the field of aerospace medicine, the crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in ongoing studies [1] - The crew has conducted regular maintenance on onboard equipment and upgraded some software, while also performing health checks including bone density measurement, electrocardiogram, blood pressure checks, and vision function assessments to monitor their health status in orbit [9] Group 2 - In the Wentian experimental module, the plant Arabidopsis thaliana, referred to as "Little Nan," has reappeared, assisting the research team in studying the molecular network of plant stem cell regulation [3] - The crew has completed the disassembly of complex fluid experiment modules in the fluid physics experiment cabinet and replaced experimental samples, as well as conducted maintenance on the combustion science experiment cabinet [5] - A project focusing on the in-situ electrochemical optical research of lithium-ion batteries has been initiated, leveraging the expertise of payload specialist Zhang Hongzhang to conduct optical observations of lithium dendrite growth in a microgravity environment [7]

Core Insights - The Shenzhou-21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with multiple experiments ongoing in the national space laboratory [1] Group 1: Space Medicine Experiments - The crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in their ongoing studies [3] Group 2: Plant Growth Research - The plant "Xiao Nan" has reappeared in the Wentian experimental module, previously serving as a "teaching assistant" in the "Tiangong Classroom" to help understand plant growth in space. In this mission, it will assist the research team in studying the regulatory networks of plant stem cells [5] Group 3: Microgravity Physics Experiments - The crew has completed the disassembly and replacement of experimental samples in the fluid physics experiment cabinet and has also changed the gas sampling cap in the combustion science experiment cabinet. Additionally, they performed sample cleaning and replacement in the containerless experiment chamber [7] Group 4: Lithium-Ion Battery Research - A project focusing on "In-situ Electrochemical Optical Research of Lithium-Ion Batteries for Space Applications" has been initiated, leveraging the expertise of payload specialist Zhang Hongzhang to conduct optical observations of lithium dendrite growth in microgravity [9] Group 5: Equipment Maintenance and Health Monitoring - The crew conducted regular maintenance on onboard equipment and upgraded some software. They also performed medical checks, including bone density measurements, ECG and blood pressure checks, and vision assessments to monitor their health status in orbit [11]

Core Points - The Shenzhou-21 crew has been working in orbit for a month, conducting various space science experiments and performing routine equipment checks and maintenance [1][3][5] - Multiple in-orbit experiments are progressing steadily within the Chinese space station, including a microgravity intuitive physics behavior experiment [3] - The crew completed the installation of new software in the field of space medicine and conducted maintenance on various experimental equipment [5][8] Group 1 - The Shenzhou-21 crew has successfully conducted a full-system pressure emergency drill, simulating an internal depressurization scenario and enhancing the astronauts' emergency response capabilities [7] - Routine maintenance activities included inspections of low-temperature storage devices and pressure checks of environmental control gas cylinders [8] - The crew is also engaged in station management and medical checks simultaneously [8]

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-21 manned spacecraft is scheduled for launch soon, following its successful transfer to the launch area with the Long March 2F rocket [1] - The Shenzhou-20 crew, currently in orbit for over 180 days, is conducting various experiments and preparing for their return [1][2] Group 1: Experiments and Research - The crew is performing experiments in space medicine, including assessments of trust and collaboration mechanisms, fine motor control, and emergency decision-making capabilities [1] - Research on skeletal muscle under different loads is being conducted, collecting data on foot pressure and joint kinematics during running and resistance exercises [1] - In the field of microgravity physics, experiments on inertial particle dynamics are ongoing, focusing on the effects of particle inertia and flow field fluctuations [1] Group 2: Equipment Maintenance and Health Monitoring - The crew is engaged in maintenance tasks such as cleaning and replacing samples in the containerless cabinet and maintaining the axial mechanism electrodes [2] - The upgraded space vegetable garden has yielded new crops, including carrots, following the successful harvest of "space lettuce" [2] - Health checks, including eye pressure and non-invasive cardiac function assessments, are being conducted to counteract the physiological effects of weightlessness [2]

Core Points - The Shenzhou-21 manned spacecraft is scheduled for launch soon after successful transfer to the launch area [1] - The Shenzhou-20 crew has been in orbit for over 180 days, conducting various experiments and preparing for their return [1] Group 1: Space Missions - The Shenzhou-21 spacecraft was successfully transported to the launch area for an upcoming launch [1] - The Shenzhou-20 crew is actively engaged in multiple experiments and maintenance tasks while preparing for their return [1][4] Group 2: Scientific Experiments - In the field of space medicine, astronauts conducted tests on trust and collaboration mechanisms, fine motor control, and emergency decision-making capabilities [3] - The crew is studying the effects of different loads on foot pressure and joint movement during exercise in microgravity [3] - In microgravity physics, experiments on inertial particle dynamics are ongoing, revealing the influence of particle inertia and flow field fluctuations on relative motion [3] Group 3: Health Management - The Shenzhou-20 crew performed routine maintenance on onboard equipment and conducted various medical checks, including eye pressure and non-invasive heart function tests [6] - The crew is utilizing devices to counteract physiological effects of weightlessness, ensuring health maintenance during their extended mission [6]

Core Points - The Shenzhou-20 crew, consisting of Chen Dong, Chen Zhongrui, and Wang Jie, has been actively conducting scientific experiments in space, with significant progress reported in various fields [1] Group 1: Material Science - The crew completed the entry of the material exposure experiment device and the recovery and storage of the third batch of experimental samples [2] - The material exposure experiment aims to reveal mechanisms of material structure damage, performance degradation, and functional failure in extreme space environments, promoting the application of advanced materials for flexible solar wings, space lubrication materials, lunar base construction materials, and neutron shielding materials for precision electronic devices [2] Group 2: Aerospace Medicine - In the field of aerospace medicine, the crew utilized a fine motion measurement device to conduct sliding tests, which will aid in studying the changes in fine motor control and adaptive learning mechanisms under microgravity conditions [7] - The crew performed cardiac and vascular ultrasound examinations and used a neuromuscular stimulator for muscle relaxation and atrophy protection to counteract the physiological effects of weightlessness [15] Group 3: Microgravity Physics - Experiments related to microgravity combustion science are being conducted in an enclosed combustion chamber, which supports combustion experiments with various fuels by changing internal experimental inserts [9] Group 4: Station Management - The crew completed microbial monitoring tasks by sampling different media such as gas, surfaces, and water systems to assess microbial species and growth conditions, providing a basis for microbial control within the station [11] - Station management tasks included organizing cargo transfers, inventory checks of medications, and material management [13]

Core Insights - The Shenzhou-20 crew, consisting of astronauts Chen Dong, Chen Zhongrui, and Wang Jie, has been in space for over 120 days, focusing on various in-orbit experiments and research activities [1] Group 1: In-Orbit Experiments - The crew is conducting ongoing research on astronaut psychology and behavior, including emotional evaluation technology and emergency decision-making capability assessments, to understand changes in emotional states and decision-making over long durations in space [1] - In the field of space medicine, astronauts are utilizing laptops and testing software to perform experiments on fine motor control, trust, and collaboration mechanisms, with data aiding ground researchers [1] - The collaboration with flying robots continues, with the "Xiao Hang" robot working alongside the astronauts to explore efficient human-robot cooperation methods [3] Group 2: Material Science and Technology - In microgravity physics, the crew has conducted experiments involving high-temperature materials, including changing samples in the high-temperature materials experiment cabinet and maintaining equipment, achieving a new record of over 3100 degrees Celsius for material science experiments in space [5] - In the field of new technologies and applications, astronauts are replacing reactors in extraterrestrial artificial photosynthesis technology experiments, having successfully completed multiple key technology verifications and gathered significant data on physical and chemical reactions in microgravity [7] Group 3: Health and Maintenance - The crew has performed maintenance on life support systems and conducted tests on the -80°C space refrigerator, ensuring the operational integrity of onboard systems [8] - Regular health checks, including eye pressure and bone density tests, have been conducted to monitor the astronauts' health status during their mission [9]