Flying into the sky and exploring the sky, then talking about ＂God 17＂ —— A list of the highlights of Shenzhou 17 manned mission
At 19: 34 on October 26th, 2023, Beijing time, three astronauts, Tang Hongbo, Tang Shengjie and Jiang Xinlin, who were driving the Shenzhou-17 manned spacecraft, successfully settled in the China Space Station and got together with the Shenzhou-16 astronauts, and the vast universe reappeared the classic scene of Chinese’s space "joining forces". As the 30th and 12th manned mission since the establishment of manned spaceflight project, what are the features and highlights of this mission?
First, under the "symmetry aesthetics", it presents the configuration of three-compartment Mifune combination.
At 17: 46 on October 26th, the Shenzhou 17 manned spacecraft successfully docked at the forward port of Tianhe core module, forming a three-module Mifune assembly with symmetrical beauty, namely, three modules of the space station, two manned spacecraft and a cargo spacecraft.
Second, behind the "astronaut special train" is the reliability and safety of riding the dust.
The Long March II F carrier rocket, known as the "God Arrow", once soared into the sky and won good news again and again. In order to ensure the normal and fast-paced launch mission of the space station, the reliability evaluation value has been improved to 0.9896 through continuous elimination of weak links and optimization of technical state. Compared with Chang-2 F Yao-16 rocket, Yao-17 rocket has 25 technical state changes, involving design improvement, process optimization and plan refinement, etc.: optimization and improvement such as localization replacement of components and adjustment of software configuration items have further improved the reliability and safety of the rocket; The optimization of the operation flow of the launch site further improves the work efficiency of the launch site; The further refinement and improvement of the launch site plan will also help to deal with abnormal problems quickly and in time.
Third, the "boat of life" once again lifts the dream of flying under the "space intelligence"
Shenzhou series manned spacecraft is the only manned spacecraft in China. With the space station turning into the application and development stage, shenzhou spaceship’s high-density launch mission puts forward new requirements for the quality and efficiency of cabin structure development. To this end, the scientific research team continues to ensure the high-quality delivery of the cabin structure through means of informationization, automation and intelligence, including changing the original two-dimensional drawing manufacturing mode of Shenzhou model into three-dimensional digital technology manufacturing, and changing the finalized products into "new look" by means of informationization; By introducing advanced automation technology, technological breakthroughs in bottleneck links such as assembly guidance and profile detection have been realized. The construction of a number of intelligent production units is completed by intelligent means, which improves the production efficiency, promotes the quality consistency of batch products, and effectively guarantees the life safety of astronauts and the smooth operation of the space station.
4. "Space House" welcomes the youngest crew in China’s space history.
Shenzhou 17 astronaut crew is the first flight crew composed of the second and third astronauts in China, and it is also the youngest astronaut crew since the start of the space station construction mission. The crew consisted of Tang Hongbo, Tang Shengjie and Jiang Xinlin, among whom Tang Hongbo served as the commander, becoming the first China astronaut to perform two missions in the shortest time interval and return to the space station; Tang Shengjie and Jiang Xinlin are flying for the first time. Tang Shengjie is the youngest astronaut to carry out the space station mission so far, and Jiang Xinlin perfectly interprets the identity change from "tank hand" to "pilot" and then to "astronaut". Judging from the composition of the crew, it still continues the model of "one old with two new ones" and fully reflects the characteristics of the younger astronaut talent team.
5. The "upgraded version" of extravehicular activity will bring new challenges.
This mission will be the first time to carry out experimental maintenance work outside the space station. At present, with the increasing number of space debris, it is inevitable that long-term spacecraft will be hit by small particles in space. The previous inspection found that the solar wing of the space station was also hit by tiny particles in space many times, causing slight damage. At present, all the functions and performance indexes of the space station meet the requirements. Considering the long-term operation of the space station and the verification of technical ability, the Shenzhou 17 crew will carry out experimental maintenance outside the cabin through extravehicular activities, which is a very challenging work and will raise the ability and level of extravehicular activities to a new height.
Sixth, the "Space Road" escort crew started a new space journey
The Shenzhou 17 manned spacecraft has adopted an upgraded relay terminal with three advantages: higher integration, stronger processing capacity and higher localization rate, which can realize unimpeded communication between the spacecraft and the ground and ensure that ground testers can master the flight status of the spacecraft in real time. "Space Sky Road" will escort the stable and efficient operation of the China Space Station with stronger and better functions.
Seven, "space rendezvous" witnessed the infinite possibility of manned space flight in China.
The successful meeting between the two crew members of Shenzhou 17 and Shenzhou 16 is not only the third "space rendezvous" in the space station stage, but also the "space rendezvous" on the occasion of the 20th anniversary of China’s first manned spacecraft, Shenzhou 5, realizing the Chinese nation’s dream of flying in the Millennium. It is also the first time that China’s first, second and third space pilots have been in the same box at the China Space Station, which is of great commemorative significance. At present, 20 astronauts from China have gone into space. From flying into the sky to dreaming of the heavenly palace, China astronauts "feel good", and the next time will be even better. China Space Station will always be worth looking forward to, and China’s manned space flight will continue to create infinite possibilities!
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