Features of Shenzhou 1 Characteristics of Shenzhou 2 Characteristics of Shenzhou 6 Characteristics o

Shenzhou-1 features: the first unmanned spacecraft independently developed by China.

Features of Shenzhou-2: Compared with Shenzhou-1, Shenzhou-2 has made a number of technical improvements.

The characteristics of Shenzhou-3 are: for the first time, a simulator was installed, and for the first time, an escape system was rehearsed.

Characteristics of Shenzhou 4: For the first time, an all-round system drill was carried out, and the spacecraft was no different from Shenzhou 5.

Features of Shenzhou-5: China's first manned space flight.

The characteristics of Shenzhou-6: the first multi-person multi-day flight.

Features of Shenzhou-7: The first spacewalk of the Chinese.

Shenzhou No. 1.

It was launched on November 20, 1999 and returned on November 21, with a one-day flight.

Shenzhou-1 is an experimental spacecraft that does not carry people.

Shenzhou No. 2.

It was launched on 10 January 2001 and returned on 16 January for seven days.

This is China's first full-scale unmanned spacecraft, and its technical status is basically the same as that of a manned spacecraft.

With the development of the aerospace industry, the second batch of guests from the Chinese space station has successfully entered, making great contributions to China's aerospace industry, Shenzhou 12 landed in space on June 17, 2021, and Shenzhou 13 landed in space on October 16, 2021.

On October 16, 2016, an exciting moment, Zhai Zhigang, Wang Yaping, Ye Guangfu 3 astronauts of Shenzhou 13 flew into space, some netizens sighed that China's aerospace is also so romantic, October 16 is the anniversary of the success of China's first atomic bomb. According to the space agency, Shenzhou-12 and Shenzhou-13 have no outstanding structural changes, but there are five major changes in the mission.

The first major change is that Tianzhou-2 is still connected to the space station, so after Shenzhou-13 arrives at the space station, it will form a spectacular situation of 4 vehicles combined operation, that is, Tianzhou-2, 3, Shenzhou-13 and the core module form a combination, which greatly improves the in-orbit quality of the space station. The second major change is that Shenzhou-13 will dock at the space station for the first time in the form of radial autonomous docking, the so-called radial docking refers to the vertical upward docking of the manned spacecraft from the bottom of the space station, which is quite different from the previous horizontal docking. The third major change is that the stay time of astronauts has increased from 3 months to 6 months in Shenzhou 12, and Chinese female astronaut Wang Yaping will also be stationed in China's space station for the first time, which is a big leap in human spaceflight.

Fourth, there will be more room for improvement in space science experiments. The fifth major change is that before the launch of Shenzhou 12, Shenzhou 13 was already in place, so Shenzhou 13 will be transferred from an emergency backup state to a launch state, and so on after that manned space missions.

In fact, compared with Shenzhou 12, the main mission of Shenzhou 13 is to focus on the technical verification of the long-term residence of the space station, test the reliability of related equipment for a long time, and make further tests for people's dreams of settling in space.

The characteristics of the Shenzhou-13 mission are to repair the space station, maintain the space station, organize the space station, maintain all the facilities in the space station, and investigate the data of the space station.

Because Tianzhou-2 is still connected to the space station, after Shenzhou-13 arrives at the space station, it will form a spectacular situation of the combination of four vehicles, that is, the combination of Tianzhou-2 and Shenzhou-13 core modules, and the ghost quality of the space station has been greatly improved.

1. The Shenzhou VI manned spacecraft is one of the series of China's Shenzhou spacecraft. "Shenzhou 6" and "Shenzhou 5" are not much different in appearance, they are still a three-compartment structure of propulsion module, return module, and orbital module, and the weight is basically maintained at about 8 tons, and it is launched by the Long March-2F carrier rocket.

2. The Shenzhou-6 spacecraft is China's second spacecraft to carry astronauts and China's first manned spacecraft to carry out the "multi-person flight" mission. This is also the 243rd flight of the world human in the sky over Mount Taiming.

During the orbital operation of the Shenzhou-2 spacecraft, the performance of various test instruments and equipment was stable and normal, and a large amount of valuable flight test data was obtained. The launch of the spacecraft is the second flight test of China's manned space program, which marks new progress in China's manned space program and a gratifying step toward the realization of manned space flight.

There are 5 major difficulties in the mission of God Seven "Universal": From God One to God Six, each mission has its own characteristics and difficulties. So, what are the characteristics and difficulties of this mission that distinguish it from previous missions?

Zhang Jianqi: The characteristics and difficulties of this mission can be summarized in five aspects: First, there is a great leap forward in technology.

The technological leap of this mission is mainly to break through the technology of space flight and develop China's extravehicular spaceflight; Break through the space-based TT&C system that only a few countries such as the United States have mastered; Breakthrough in the spacecraft's airlock compartment depressurization technology. Second, the risk is relatively high. The three astronauts went to space, which is not only an increase in quantity, but also a qualitative leap.

From Shen V to Shen VI, our spacecraft has increased from carrying one person to two people, carrying three astronauts, which is a test of all the capabilities of the spacecraft. Can various systems such as environmental control, life support, and power supply meet the full load assessment? It's a risk.

The second risk is the exit of astronauts. Because of the problems of space disease and space adaptation, the international community generally arranges for astronauts to leave the capsule 72 hours after launch, but Shenqi is preparing to fly for a total of 3 days this time, so it will leave the capsule the next day, which is very risky. Our astronauts have taken measures such as strengthening training and taking medicines.

The third risk is the exit itself. Except like a god.

Fifth, in addition to the greater risk in the two periods of the ascending and returning sections of Shen VI, there is a big risk in leaving the cabin. Third, the task is difficult. One is the technical difficulty. The second is the difficulty of space training. God.

Fifth, Shen VI requires astronauts to be physically able, and they mainly carry out physical training. This time, we strengthened the technical and psychological training. The astronauts of Shenqi need to wear a 120-kilogram spacesuit to conduct out-of-cabin training in the weightless tank, plus the iron is trimmed and floated in the water, adding up to 240 kilograms.

Astronauts also conduct training in low-pressure chambers - depressurizing low-pressure chambers to the same level as in space, which is very risky and difficult. Fourth, astronauts are autonomous. The Shen 5 astronauts only talk to the ground, and the Shen 6 only wears the capsule, and there are no too complicated operations.

This time, the astronauts had to unpack, assemble, test, put on and take off, get out of the capsule, and take experimental materials. In the Shen VI mission, the main commander can work in shifts, but this time there is no shift shift, and he can't rest from the time the rocket is filled. From preparing to leave the cabin to returning, the timeliness and continuity of the work are very strong, and the work intensity is very high.

Fifth, the team size is large. In order to ensure the safety of astronauts out of the capsule, the ground must provide tracking and control support. If the departure time is scheduled to be 30 minutes, then there must be a margin for measurement and control, so the ground must be covered by more than 40 minutes of measurement and control.

God. 5. During the flight of Shen VI, we were only able to achieve 12 14% of the TT&C coverage, and this time a foreign station was added in Chile and two survey ships were added. A total of 9 ships and more than 30 aircraft were mobilized, plus domestic and foreign stations, forming a three-dimensional test system for land, sea, air and space.

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