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On February 9, at the press conference of China Aerospace Science and Technology Group's blue book on China Aerospace Science and technology activities (2021), relevant comrades of the Fifth Academy of China Aerospace Science and technology group introduced that this year, the Academy will complete the on orbit assembly and construction of China's space station through six launch missions < p > the space and core module of the Chinese space station has been in orbit for 286 days since its successful launch on April 29, 2021. Bai Linhou, deputy chief designer of the space station system of the Fifth Academy of Aerospace Science and technology group, introduced that through the presence of Shenzhou 12 and 13 crew, the key technologies used in the construction of subsequent space stations have been systematically and fully verified, and the results are in line with expectations < p > the crew of Shenzhou 13, who is on a business trip in space, will return to the ground after staying in space for six months. Shao Limin, deputy technical manager of the manned spacecraft system project of the Fifth Academy of China Aerospace Science and Technology Corporation, introduced that the Shenzhou 13 manned spacecraft will adopt the rapid return scheme for the first time and land at the Dongfeng landing site to improve the astronauts' comfort and mission implementation efficiency < p > < p > in the construction stage of the space station, six spacecraft will be launched successively, including Tianzhou 4, Shenzhou 14, experimental module I, experimental module II, Tianzhou 5 and Shenzhou 15. Finally, the space station will complete the construction of T-shaped configuration, and the activity space in the cabin will exceed 110 cubic meters, which can realize the long-term residence of 3 people and short-term residence of 6 people. After the space station completes the function and performance in orbit test, it will be transferred to the operation stage < p > Berlin Hou said that this year, the space station will dock two Shenzhou manned spacecraft Shenzhou 14 and 15 at the same time for the first time, realize the on orbit rotation of six astronauts, and form a six module assembly configuration for the first time. The on orbit construction of the space station has a high density of tasks, and the tasks are highly coupled and interrelated. During the construction process, the docking and separation actions will reach more than 10 times. At the same time, new tasks such as cabin transposition, large and small arm combination and cargo out of the cabin will be implemented, which means that the state control of the space station assembly is extremely complex. After the completion of the construction of the space station, astronauts' presence and multi field space science and technology experiments will continue to be carried out < p > source: Beijing daily client reporter Liu Suya < / P > < p > editor: Meng Ziwei < / P > < p > process editor Tai Shaofeng

2023-03-22 10:04:50