It is China's twenty-first flight mission since the launch of the manned space program, and also the second crewed mission in the construction stage of the space station. After entering orbit, the spaceship will conduct a fast autonomous rendezvous and docking with the combination of Tianhe core module, Tianzhou-2 and Tianzhou-3 as planned. The astronauts will be stationed in Tianhe core module and stay in orbit for six months, carry out tasks such as mechanical arm operation, extravehicular activities and modules transfer, to further verify a series of key technologies such as long-term residence in space, recycling of resources and life support for astronauts.
At present, the combination of Tianhe core module, Tianzhou-2 and Tianzhou-3 has entered the docking orbit with good condition, well prepared for the rendezvous and docking with the Shenzhou-13, as well as entering and stay of the astronauts.
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