Will Mir Space Germs Threaten Humanity?

1) Bacteria are brought by people, and these bacteria exist in the human body; (2) the space environment and various rays; (3) The friction between Mir and the atmosphere creates high temperatures to destroy bacteria.

It is inevitable that people will get sick in space, and weightlessness will bring a lot of trouble to healing in space. First of all, it is difficult to diagnose, weightlessness makes the chest and head congested, the appearance changes, and it is difficult to accurately observe and auscultate. The Soviet Union once performed open abdominal surgery on rabbits in a brief weightless environment where the plane flew in a parabolic flight, and it was initially proved that surgery could be performed in a weightless environment.

But that's still a long way from performing surgery on people in space. Because in the small space of a spacecraft, it is impossible to build a large operating room and operating table; At the same time, human immunity has been reduced in a weightless environment, how risky is the operation? These need to be thoroughly studied and conditions created to solve them.

At present, the general impact of weightlessness and other space environments on astronauts is dealt with in accordance with predetermined health measures, the most important of which is the strengthening of physical exercise; For occasional minor ailments, the ground doctor can diagnose them through telemetry and instruct the astronauts to take the equipped medicines. For acute and serious illness, it is necessary to return to the ground**. For example, in November 1985, Soviet cosmonaut V. Vashutin fell ill on the Salyut 7 space station and was sent back to the ground on the Soyuz T14 spacecraft.

Sending sick astronauts back to the surface can be life-threatening for acutely ill patients with lost precious time, which is the biggest problem. Another problem is the high cost, which typically costs $2.3 billion. Therefore, the solution in the future should be to build hospitals in space to treat space patients, and until then, they should be dealt with separately according to the situation.

On February 8, 1987, Soviet cosmonauts A. Lavekin and Yuu Romanenko entered the "Mir" space station on the SoyuzTM2 spacecraft and were expected to live in space for one year, but Ravegin fell ill halfway, and the ground command center decided to let him return to the ground on July 30 of that year with two other short-term flight astronauts**. Later, Romanenko also felt tired, but the ground command center did not let him return to the ground, but gradually reduced his working hours, from the original hours, to hours, until finally stopped all work, so that he set a record of 326 consecutive days in space.

They are generally in good physical condition and do not get sick easily.

Under normal circumstances, it is not the general physical fitness that cannot be an astronaut, and astronauts will suffer from osteoporosis and lose their life if they stay in space for a long time.

If you get sick in space, it is of course the most inconvenient, and the growth of bacteria can be more serious.

Astronauts are in good physical condition, and they generally don't get sick, and they know how to save themselves even when they are sick.

Because astronauts stay in space for too long and are prone to osteoporosis.

It's very troublesome, and bacteria can also mutate uncontrollably in space.

It is very likely that Yuan Yuan will get sick in space. will die directly.

Being sick may make you more uncomfortable with weightlessness.

According to scientists, getting sick in space is worse than getting sick on Earth, because the environment and gravity in space make your immune system more fragile and difficult to fight off infections.

They're relatively physically good. Probably not so.

I don't know, but in general, astronauts are in good physical condition.

As the world's longest-running manned spacecraft in orbit, the Mir space station has been used by scientists to conduct a large number of research and experiments in space medicine, space biology, space materials science and processing, astronomy, and other fields, as well as to observe the earth's environment and resources, making important contributions to mankind's understanding and transformation of nature. In addition to the former Soviet Union and Russian astronauts, there are also one astronaut from Syria, Bulgaria, Afghanistan, Japan, Austria and the United Kingdom, two astronauts from the United States and Germany, and three French astronauts. During this period, the Mir space station also carried out many space rendezvous, docking, replacement and maintenance activities of large equipment, accumulating rich experience for the assembly of other large space facilities in orbit in the future.

In accordance with the $400 million joint flight agreement signed by the United States and Russia in Washington on 23 June 1994, starting in 1995, in addition to continuing to make achievements in the above-mentioned areas, the "Mir" space station will also carry out seven joint flights between the Russian space shuttle and the "Mir" space station in preparation for the construction of the "Alpha" International Space Station, so as to reduce the technical risks during the assembly and operation of the ISS.

As for the achievements made by the "Salyut" and "Peace" space stations in military applications, people in the world's military circles were even more dumbfounded and frightened.

In the history of the operation of the Mir space station, another particularly memorable event is that two astronauts made the first-ever space orbital transfer flight between the two space stations "Mir" and "Salyut 7", creating a new space miracle.

Living in microgravity conditions in space, which will have many adverse effects on people who have adapted to life on the surface of the earth, such as susceptibility to diseases such as osteoporosis This is also a major component that affects their bodily functions!

Secondly, astronauts who fly into space are very susceptible to these diseases:

First, heart disease. Unlike the Earth, due to the buoyancy of space, the human body will also undergo subtle changes in the amplitude of the jump when living in space due to the different weight-bearing pressure felt by the heart.

Second, cardiopulmonary dysfunction. Everyone has their own breathing rhythm, and when they live on the earth for a long time, everyone's breathing rhythm is balanced when there is enough oxygen. But in space, due to the need to wear oxygen tubes and the influence of space buoyancy, people's breathing rhythm will become different from before.

Third, edema of the upper limbs. The gravitational pull of space is upward, coupled with the fact that humans are less active when they enter space. It is easy for people to have edema problems, and if edema occurs in space and is not solved in time, it is easy to cause ulceration.

Clause. 4. Space motion sickness. A person is weightless while flying in space. The first problem that arises in weightlessness is space motion sickness, which occurs in one out of every two astronauts, manifesting as paleness, cold sweats, vomiting, and seasickness.

Therefore, the first thing to do is to check the astronaut's ability to spin and adapt, which is by no means as simple as the average person thinks, because even if he is strictly trained on the ground, he is considered to be an astronaut who will not spin at all, and when he "floats" in space, he will immediately develop motion sickness. Therefore, scholars believe that this mechanism of space motion sickness is different from motion sickness!

Space motion sickness is not a serious illness, and the symptoms will disappear after five days when the body adapts, but it is not clear whether it will cause irreversible damage to the human body. That is, there is almost no information on the medical and physiological aspects of the long-term stay of humans in space!

Clause. Fifth, there are also changes in the cardiovascular system. At present, scholars are interested in the problem of low function of the heart and blood circulatory system in weightlessness. When weightlessness is weightless, the blood and other bodily fluids in the body rush to the head and chest, which is 2 liters more than when on the ground, and as a result, the astronaut's head and neck are visibly swollen, and the heart stroke volume also increases, and the astronaut becomes overtired and soon becomes heart failure.

But it is also believed that the heart will shrink by 10% in size due to the blood rushing to the upper part and will not recover until it reaches the ground a year.

Space bacteria, also known as stratobacillus, is a bacterium that has only been concerned in recent years, it can be used to make microbial batteries, in fact, I don't know much about its physiological activity, but according to its ability to generate electricity, I boldly guess that this bacterium should be a facultative anaerobic microorganism, and can withstand high temperatures, I can't guess the method of killing, maybe ultraviolet light or disinfectant will be effective.