Set a new record! Shenzhou 18 astronaut Ye Guangfu has been in orbit for more than 200 days, and surpassed astronauts Liu Yang for 195 days, Wang Yaping for 197 days, Fei Junlong for 191 days, etc., and at the same time, it also broke the record of astronaut Jing Haipeng (201 days).
At the end of the mission, Ye Guangfu will become the longest astronaut on the mainland, surpassing Tang Hongbo's record of 279 days.
Therefore, this astronaut will be a highlight of the mission stage of the mainland Shenzhou manned spacecraft.
However, for the Shenzhou-18 manned spacecraft mission, the three astronauts will also carry out the "most difficult" mission in the history of China's space station, what is this? Let's take a look in detail, first of all, a brief introduction to Ye Guangfu.
Shenzhou 18 astronaut - Ye Guangfu has been in orbit for more than 200 days!
Astronaut Ye Guangfu is the second batch of astronauts in the mainland, and before the Shenzhou 18 manned spacecraft mission, he had already carried out the Shenzhou 13 manned spacecraft mission, which was carried out together with Zhai Zhigang and Wang Yaping, but at that time, Zhai Zhigang served as the commander, and Shenzhou 18 himself became the commander.
In the process of carrying out the mission, astronaut Ye Guangfu also performed the mission of going out of the capsule, and also completed the rendezvous and docking test of the Tianzhou-2 cargo spacecraft and the space station assembly, so he has good experience and is the commander of the Shenzhou-18 crew, which is not much of a problem at all.
And in Ye Guangfu's body, there is a very big bright spot, which is why many people say that he may still carry out manned missions to the moon in the future, that is, in 2016, he conducted cave training.
This is a mission carried out with the European Space Agency (ESA), which is also the first Chinese astronaut to complete cave training in international cooperation, in which Ye Guangfu is mainly responsible for exploring and surveying unknown areas of the cave, generating 3D images from measurement data, and monitoring environmental parameters in real time.
In the cave, each "crew" has to carry out an average of more than 5 hours of weight-bearing travel every day to complete all the scientific research and experimental tasks of the day.
If you are more concerned about the continental lunar project, then you should think that the mainland may build a lunar base in the lunar "lava cave" in the future. And these cave experimental training on the ground may be basic learning.
This is equivalent to simulating the space environment on the ground, and once it reaches the ideal state, it can be better mastered when it comes to future lunar missions. This is just like the mainland has to conduct various training on the ground before entering the space station.
Therefore, from this point of view, astronaut Ye Guangfu is indeed likely to carry out a manned lunar landing program in the future, and of course, many people say that astronaut Chen Dong may carry out the mainland's first manned lunar landing mission.
But here it can only be said that it is just a reasonable idea, not a conclusion given by the continental space center, and before 2030, the mainland will complete the first manned mission to the moon, which will definitely be announced soon.
But under normal circumstances, it is usually announced a few hours before the mainland mission, so everyone here just needs to continue to wait, anyway, it will take a long time.
Moreover, the second and third batches of astronauts on the mainland may become the selection targets, to be precise, that is, they are selected from those who have flight experience, which is a key point, and this is a situation of Ye Guangfu.
The three astronauts of Shenzhou 18 will challenge the difficult task
That's right, for the Shenzhou 18 mission, there are also a lot of tasks, since entering the Chinese space station, the three astronauts Ye Guangfu, Li Cong, and Li Guangsu have never stopped, however, the most difficult mission will also be executed, and it can also be said to be the most difficult task in the history of the space station.
Among the Shenzhou-18 missions, there is a very critical task, that is, during the orbit, 6 cargo airlock out-of-cabin missions and 2 to 3 out-of-cabin activities will be carried out.
On the basis of the existing space debris protection measures of the space station, the astronaut crew will install debris protection and reinforcement devices on the extravehicular pipelines, cables and key equipment through out-of-cabin activities, and carry out extravehicular inspections according to the situation to further ensure the safety of the space station, and this task is a "difficult" task.
Many people should still remember that when the mainland carried out the Shenzhou-17 manned spacecraft mission, it was already mentioned to everyone that because the Chinese space station was in operation in space, it was hit by space junk and the solar wing was damaged, and the mainland's Shenzhou-17 astronauts went out of the capsule twice and completed the repair of it.
However, space debris will continue to grow as human space missions continue to advance.
According to NASA, humans have tracked about 34,600 pieces of space debris, but there may be another 130 million pieces in orbit that are too small to be accurately detected, 70% of which are about 2,000 kilometers above the Earth's surface. Therefore, these space debris are a threat to all space spacecraft, and once they hit, the consequences are generally very serious.
And the continental space station was hit, or some space particles, these are very small space junk, you can imagine, space is much more dangerous than imagined.
And this time, the mainland's Shenzhou 18 will challenge the "difficult" mission, which will inevitably promote the further safety of the space station.
So why is it a difficult task?
As we all know, this is a mission that requires space to get out of the capsule, which is a challenge in itself for astronauts, because getting out of space is an extremely dangerous thing, which increases the difficulty of the whole mission.
How dangerous is that? In the capsule, everyone knows that astronauts are protected, but outside the capsule, there is no protection at all, and the biggest protection is to rely on spacesuits.
But the spacesuit is not omnipotent, it can withstand everything, for example, when Liu Boming, an astronaut of the Shenzhou 12 spacecraft, came out of the capsule, the ground monitored the abnormal radiation value in the area near the astronaut.
Although they were also wearing extravehicular spacesuits at that time, they were still a threat to the astronauts.
Therefore, the mainland issued an order at that time to call the astronauts to return to the capsule, because the Chinese space station module has multiple layers of protective structure, which can shield most of the dangerous radiation, so after returning, Liu Boming did not leave the capsule again until the abnormal radiation dissipated.
Obviously, to avoid the terrible rays, high-energy particles, high radiation, solar wind and other risk effects, this requires the perfect cooperation of the ground and sky astronauts, and this time the mission is not as simple as everyone thinks.
Moreover, the out-of-cabin activities have a great physical exertion on the astronauts, and the frequent out-of-cabin activities have extremely high requirements for the physical fitness of the astronauts.
Because of the inconvenience of controlling physical activity in a weightless environment, astronauts have difficulty exerting force on their feet, so they mainly rely on both hands to grasp objects and move cautiously.
If there are some installation tasks to be carried out outside the cabin, the requirements are even higher, this time the Shenzhou 18 astronauts will perform the mission, it will inevitably be a challenge of difficult tasks, so it is expected that the astronauts will perform the task perfectly in the back.
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