According to CCTV,The space station is a T-shaped structure with the core module in the middle, and the experimental module I and II are connected on both sides respectively.
Among them,The total length of Tianhe core cabin is 16.6 meters, standing up, higher than five stories. The maximum diameter is 4.2 meters, which is larger than the width of high-speed railway carriage. It can be used for three astronauts to stay in orbit for a long time. It is the largest spacecraft developed in China at present.
From the appearance, Tianhe core cabin is composed of node cabin, small column section and large column section.The node module is the connection hub of the space station, with two docking ports and two berthing ports. The docking port can dock the manned spacecraft, and the docking port can be used to dock two experimental modules.
Xiaozhu section is the living area of future astronauts, with three sleeping areas, and each astronaut has an independent sleeping area. In addition, the large column section is the area for future astronauts to work and test in orbit.
According to reports, the three modules are the basic configuration. In fact, more modules can be launched to dock with them. The state configuration of the space station is constantly changing.
Previously, Zhu Guangchen, deputy chief designer of the space station system of the Fifth Academy of Aerospace Science and technology group, said in an interview:Shenzhou spacecraft is like a car, and Tiangong-1 and tiangong-2 space laboratories are like a house with one room and one living room. To the space station, it should be three rooms, two halls and storage room.
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