Core Points - The Shenzhou 21 manned mission is scheduled for launch on October 31 at 23:44, with a crew consisting of Zhang Lu, Wu Fei, and Zhang Hongzhang, the latter being a researcher from the Dalian Institute of Chemical Physics [2] - This mission marks the sixth manned flight during the space station application and development phase and the 37th flight of the manned space program, focusing on in-orbit crew rotation, scientific applications, and space experiments [2] - Zhang Hongzhang will conduct in-situ research on lithium-ion batteries in space, contributing to six scientific experiments with a total weight of 63.2 kilograms [2][3] Group 1 - Lithium-ion batteries are crucial for powering various space missions due to their lightweight and long lifespan [3] - The research aims to understand the performance evolution of lithium-ion batteries in space, providing theoretical support for future high-reliability applications [3] - The project will utilize the expertise of the payload specialist to conduct optical observations of lithium-ion batteries in microgravity, capturing the growth of lithium dendrites [3]

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 Viewpoint - The Shenzhou 20 crew is steadily advancing various space science experiments within the national space laboratory as of early September [1] Group 1 - The Shenzhou 20 crew has completed several tasks in the past week [1]

Group 1 - 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 research areas including psychological and behavioral studies of astronauts [1] - In the field of microgravity physical science, the crew conducted high-temperature material experiments, achieving a new record by heating tungsten alloy to over 3100 degrees Celsius, marking the highest heating temperature in international space material science experiments [2] - The crew is also working on extraterrestrial artificial photosynthesis technology, having completed multiple key technology verifications and gathered significant data on physical and chemical reactions in microgravity, which is crucial for developing new in-situ resource utilization technologies [2] Group 2 - In aerospace medicine, the crew performed experiments on fine motor control and trust and collaboration mechanisms, providing valuable data for ground researchers [3] - Ongoing collaboration experiments with flying robots are being conducted, enhancing human-robot cooperation methods [3] - Regular maintenance activities include organizing supplies and cleaning the cabin environment to ensure a comfortable and clean working space [5] Group 3 - Health maintenance activities included eye pressure and fundus examinations, as well as bone density tests, allowing ground researchers to closely monitor the astronauts' health status during their time in space [5]