Lead
"Space is like hell."
said Russian cosmonaut Valery Polyakov.
In the face of his words, it seems that the experience of astronauts in space is not good, or that space itself is a place full of deadly dangers.
But this statement is a bit contradictory, why is a place as fascinating as space a hell?
In fact, the word space, born in Italy in the 17th century, was inspired by the Greek word meaning "no space".
About the existence of space, human beings are well known, from ancient myths and stories, we can find some exploration and imagination of the ancients for space.
For example, "Ouranos" in Greek mythology, "Ouranos" and "Knox" in Roman mythology, and in ancient China, there are also many legends about space.
1. The ancient imagination of space.
Space was a very mysterious place in the eyes of the ancients, because they didn't know much about space, and most of them inferred the existence of space from phenomena such as sunrise and sunset, starry sky, etc.
Therefore, their myths and stories about space are also all kinds of weird and mysterious stories, and people's exploration of space is also based on the content of their myths and legends.
In Greek mythology, "Ouranos" is the symbol of heaven and earth, he is a supernatural being, as the god of the sky, everything about him is related to the sky.
His name also contains the meaning of "borderless, limitless", and it is precisely because of his presence that the distance between human beings and God has been narrowed.
In people's hearts, he is the creator of the universe and the patron saint of mankind, and people must worship him to show their reverence for him.
There are also stories about the god of the sky in Roman mythology, whose name was "Ouranos".
In ancient Roman mythology, Ouranos was the god of the sky and the grandfather of Zeus, a very powerful god.
In ancient Chinese myths and legends, there are also stories about the god of the sky, who is not only the creator of the universe, but also the patron saint of mankind.
The fear of him cannot be expressed in words, he is like the father of mankind, protecting mankind so that it can live safely in this world.
In the "Classic of Mountains and Seas", it is also recorded that "there is a heavenly man in the East Pole, and the reason why the building is also rising".
Judging from this sentence, the ancients' exploration of the sky is also quite mysterious.
It is generally believed that space is a vast and boundless universe, and that it is a mysterious existence with infinite possibilities.
2. Ancient exploration and understanding of space.
Although the ancients did not have the same advanced scientific and technological equipment for space exploration as they do now, they were able to understand space through some simple experiments.
During the Three Kingdoms period, the famous astronomer Xie admitted that there are many stars in space, and their light is also different, so their identities are also different, some may be planets, and some may be stars.
During the Song Dynasty, there were many famous astronomers who not only explored space but also speculated about the existence of the universe.
Although ancient astronomers did not have today's scientific and technological equipment, they were able to show some phenomena in space in front of people's eyes through some simple astronomical instruments.
Therefore, although the ancients made some mistakes in the exploration of space, their ideas were also very great.
3. Human exploration of space.
From ancient myths and stories, we can understand the exploration of space by the ancients, so how do humans explore space in real life?
Human exploration of space can be traced back to the beginning of the 20th century, and many of human exploration of space are based on the myths and legends of the ancients, so people believe that space is a place full of magic.
It was not until the wheel of history continued to move forward and people continued to explore that the mystery of space was gradually revealed, and space became the ultimate goal of human exploration.
In the exploration of space flights, mankind's understanding of space has become deeper and deeper.
4. Is space hell?
Humans go into space and have some impact on their physical and mental consciousness.
In the process of astronauts entering space, there will inevitably be some discomfort, but through the unremitting efforts of human beings, they can also adapt to the space environment.
Until one day, when scientists were examining an astronaut, they found that his brain was atrophiing.
Some netizens speculated that astronauts spent too much time in space and had no gravity, so blood could not circulate in the brain, resulting in brain atrophy.
And who is this astronaut?
What caused his brain to shrink?
This cosmonaut was none other than a Soviet cosmonaut.
His name is "Polyakov", he is the first cosmonaut in the history of Soviet astronautics to spend a year in space, he has participated in three manned missions, and has spent more than 500 days in space.
When people hear about his history of exploration, they think that he is a great scientist, but behind his greatness, there are many dangers.
In one of the Soviet space stations, there was a space station called "Mir", which was a Soviet space program, and unlike other space stations, it was a rotating space station, and in this space station, there was an "artificial gravity".
How does this "artificial gravity" come about?
In fact, the "gravity" that people know is the gravitational pull of the earth, and only objects with gravitational attraction on the earth will be attracted to the earth.
But in space, there is no gravity, so, in space, anyone will float, so, in order to solve this problem, scientists have developed a new device, that is, by rotating, to produce an "artificial gravity".
This "artificial gravity" allows astronauts to perform some activities in space, while also allowing their bodies to adapt to the environment of space.
Polyakov was an excellent pilot, and he had extraordinary abilities, so when the Soviet Union issued a call-up order, he resolutely signed up for the army.
During his time in the army, he performed very well, so during his time in the army, he expressed to his superiors that he wanted to go into space.
5. The harm of space to the human body.
When astronauts go into space, they feel weightless, and at the same time, they have to adapt to some environmental changes in space.
In space, there are very harsh environments, such as vacuum, extremely low temperatures and strong radiation, which will cause certain damage to the astronauts' bodies.
In the process of astronauts entering space, because there is no air in space, the air pressure is zero, so that people in space, they cannot breathe, once exposed to such an environment for a long time, there will be a lack of oxygen, in serious cases, there will even be a danger to life.
The temperature in space is also very extreme, because there is no atmosphere in space, the temperature will be very high during the day, up to 200 degrees, and the temperature at night will be very low, down to minus 200 degrees.
Before astronauts enter space, scientists will give them protective measures, but such measures also have certain restrictions, so astronauts will also be affected by extreme temperatures after entering space, and if they are exposed to such an environment for a long time, they will have serious dehydration and heat stroke.
There is also strong radiation in space, which can cause certain damage to the body of astronauts and can also lead to a series of health problems.
6. Causes of brain atrophy in astronauts.
The impact of the environment of space on the human body is mainly because there is no gravity in space, so people will feel weightless in space.
Due to the weightless environment, people are in space, they are unable to stand, and at the same time, they are unable to carry out some daily life.
Until one day, scientists invented "artificial gravity", which allowed astronauts to carry out a little activity in space and, at the same time, to be able to live in this environment.
After entering space, Polyakov was exposed to weightlessness for a long time, which caused blood circulation in the brain to be affected, and in the long run, the brain atrophy.
But this is not the first time this has happened, and there are two other American astronauts who have experienced something similar, and after they go into space, they experience some physical discomfort, and in the long run, it will cause the brain to shrink.
VII. Conclusion
Space is both a challenge and an opportunity for mankind.
Astronauts in space exploration, their bodies will also be affected, in the long run, will lead to brain atrophy, for this phenomenon, scientists need to conduct further research, but also need to develop some protective measures to protect the health of astronauts.