On September 25th, 2008, the Shenzhou VII manned spacecraft was launched by the Long March II F rocket at the manned space launch site of Jiuquan Satellite Launch Center in China at 2 1: 10: 04.988 milliseconds. Shenzhou VII carried three astronauts, namely Zhai Zhigang (commander), Liu Boming and Jing Haipeng. Zhai Zhigang went out to work and Liu Boming assisted the orbital module, which realized the first spacewalk in China's history and made China a country capable of spacewalking. Shenzhou VII spacecraft flew for 2 days, 20 hours and 27 minutes. On September 28th, 2008, it landed successfully at the main landing site in Siziwangqi, Inner Mongolia, China.
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Shenzhou VII carried out four manned space science experiments, which set four firsts in the field of manned space flight in China, namely, astronauts leaving the cabin, releasing small satellites with the cabin, conducting scientific research on extravehicular space materials, and implementing the first application of "Tianlian-1". Among them, "China astronaut's first spacewalk" is the most interesting topic in this space activity, which has also become the fourth milestone of China's space industry after "Dongfanghong-1", "Manned Spaceflight" and "Chang 'e-1".
At the time of "Shenzhou 5", China's manned space flight was only an assessment of a person going into space one day. At that time, Yang Liwei only stayed in the return module, and the door of the orbital module was closed. Although "Shenzhou VI" is almost the same as "Shenzhou V" in appearance, the difference is that two astronauts will enter the orbital module from the return module and engage in multi-person and multi-day space flight procedures. The expert made an image metaphor, "Two astronauts are active in' one room, one living room'. On Shenzhou VII, astronauts should not only move in the "one room, one living room", but also walk out of the "living room" and the window on the side of the orbital module.
References:
Baidu Encyclopedia-Shenzhou VII