A secret that astronauts are afraid to tell. Astronauts have an extraordinary lifestyle and experience a lifestyle that humans have never had before. So what secrets are there in the space we are exploring that ordinary people don't know? The following are the secrets that astronauts dare not tell.

The secret that astronauts dare not tell 1 1, frozen shrimp cocktail

Eating in space is also challenging. Some food is not very delicious, and many astronauts admit to eating frozen shrimp cocktails for several weeks. Obviously, it is the only food that can keep its flavor and texture during freeze-drying.

Step 2 smell

Space is not immune to this unpleasant smell. Over the years, astronauts have told stories about the odor levels of space shuttles and capsules. Fortunately, the International Space Station is equipped with an air filtration system, which helps to minimize odor.

Being in water is not like being in space.

We all know that astronauts are training in water to simulate zero gravity. The problem is that in water, unlike in outer space, water provides different resistance and buoyancy. Most of the time, they will do other tests underwater, such as working in a difficult environment.

4. The taste of space

There is not only a smell inside the spacecraft, but also the smell of space. Many astronauts claim that it smells like raspberries, metal or meat. Some people even say it smells like rum.

Step 5 grow taller

When astronauts stay in space for a long time, zero gravity actually makes them taller. Usually, they grow about two inches. When they return to earth, they will have a small contraction, and it is reported that their back pain is very serious.

6. Some restrictions

When astronaut stark raving mad was in China, it was the official policy of NASA to let other astronauts tie them up with tape or rubber bands, and then inject them with sedatives.

7. Astronaut training is cruel

The training of astronauts is not easy. In a special training exercise, they were sent to the tundra of the Moscow forest to fend for themselves. All this is in preparation for a trip to the International Space Station.

8. Space diseases

When astronauts go into space, their physiological systems are immediately disturbed. Some people will suffer from space diseases, such as cardiovascular diseases, acute radiation syndrome, decompression sickness and osteoporotic fractures.

9. First aid

In addition to space diseases, astronauts are always threatened with injuries. Because they can't enter the hospital and the doctors on board may lose their ability to work, all astronauts must receive medical training to deal with medical emergencies.

10, burp

This seems to be a strange concept, but it is impossible to burp in space. If you burp, you will basically vomit. An astronaut came up with a way to burp himself against the wall, just like creating artificial gravity.

Secrets that astronauts dare not tell 2 According to the disclosed information, the crew of Shenzhou XIII stayed in space for three months longer than the crew leader of Shenzhou XII, and there were female astronauts in the crew this time.

In addition, the "Tianzhou III" cargo spacecraft, loaded with nearly 6 tons of materials, including sanitary products and cosmetics for female astronauts, once set off a heated discussion about women's life in space.

Just as the author is reading a book about space exploration, let's start from the beginning.

Let's talk about it first What should female astronauts do when they reach their physiological period in space?

We ordinary people will inevitably have some magical imaginations: for example, will women go upstream after losing weight during menstruation? Will the space environment affect the physiological cycle?

In fact, according to the known data of space exploration, there is no obvious change in female body in space, and there is no difference between physiological period and menstrual flow.

I found the scientific research records of American female astronauts-female astronaut Lucid joked: "I didn't find any changes in my physical condition except that the calluses on my feet disappeared because I didn't wear shoes." American space shuttle astronaut Mike Mullen also confirmed this statement.

However, due to physiological characteristics, the physiological characteristics of blood flow in women are different from those in men. So women's endurance will be worse than men's.

Fortunately, Chinese medicine has developed a "space heart-nourishing pill" for female astronauts. How is this Chinese medicine good?

I'm not a medical expert, so I don't know the ingredients of this pill. However, according to Li Yongzhi, director of the Medical Insurance Research Office of China Astronaut Research and Training Center, "Space Heart-nourishing Pill" has been used for several days, and space meals are necessary. Reducing blood oxygen concentration and improving anti-fatigue ability can not only regulate sleep, but also improve standing endurance.

In other words, the space environment has no direct impact on the physiological period, and the drug reserve also regulates the negative impact of space life on the blood system.

In addition, the issue of fertility is also widely concerned.

Du Heng, a researcher at the Space Center of the Chinese Academy of Sciences, once pointed out that there are a lot of high-energy charged particles in space, which will produce strong radiation, especially when encountering solar storms.

Then, the amount of radiation in space is very strong, will it affect female astronauts and lead to infertility?

Astronaut magazine gives an answer: when carrying out manned space flight in near-earth orbit, such as the International Space Station, radiation has little impact on the health of astronauts. Because there is a magnetic field around the earth, it can capture most cosmic rays.

In addition, the spacesuit itself has strong radiation resistance, which is generally radioactive and difficult to get close to.

American astronauts even joked: "Unless you fly to the sun, the difficulty coefficient will not be lower than flying to the sun."

In other words, theoretically speaking, "staying in the sky for a while" will not seriously affect the reproductive function of female astronauts. Moreover, in fact, 1984 Svetlana Savicka, the first woman to walk in space, gave birth to a baby boy one and a half years after her return from space.

After all, manned space flight cannot be accomplished overnight, and human exploration of space will not be limited to a moment. It is the ultimate mission of space exploration to enable human beings to survive and multiply in space for a long time.

Secrets that astronauts dare not tell 3 space environment

The cosmic environment, also known as "space environment" and "interstellar environment", refers to the cosmic space environment outside the earth's atmosphere, which is composed of vast space, various celestial bodies, dispersed matter and various aircraft.

In the universe, the place where human beings have set foot at present still stays in the solar system, flies away from the earth's atmospheric environment, comes to the space outside the atmosphere, and reaches space.

Different from the environment on the earth, according to the study of cosmic microwave background radiation (radiation left in space during the Big Bang), the temperature in the universe is about -270.3℃, and basically no life can survive. After BIGBANG, the whole universe has been expanding, and with the expansion, the temperature is still decreasing.

In space, due to the lack of gravity, compared with the earth, it will have a serious sense of weightlessness; At the same time, there is no air in space and sound can't spread, so space has always been in a "quiet" state; And there are many high-energy cosmic rays in space, which are harmful to life.

spacecraft

If human beings want to explore space, they must solve all kinds of unfavorable factors in the space environment.

For example, in the process of human entering space, if the aircraft wants to get rid of the gravity of the earth, it can only accelerate and accelerate. Under the influence of speeding forward without any protection, human activities and breathing will be seriously blocked, blood circulation will be weakened, and mental disorders and even death will easily occur.

Secondly, after the aircraft enters space, the human body will be in a state of weightlessness, with no sense of orientation and unbalanced nervous system. In the process of "floating around", the human body is basically unable to control its own movements freely, and it is easy to be "caught" in operation.

At the same time, in the vacuum environment of space, astronauts can't have normal conversations; Without oxygen and other substances, there are still many harmful rays.

Therefore, there will be an air system independent of the outside world in the spacecraft to stabilize the normal atmospheric pressure in the cabin and ensure the safety of astronauts; Develop special spacesuits and increase the gravity mechanism to help astronauts control their limbs and stabilize their physical condition.

However, there is almost nothing except harmful rays. In space, astronauts actually have some "hallucinations", which is a bit strange from such an environment.

Astronaut's "illusion"

"Knocking at the door" in space

Chinese astronaut Yang Liwei once encountered a puzzling thing in space. Just as he entered space, there was a knock at the door in the cabin, like knocking at the door.

He checked the inside of the spaceship and observed the surrounding environment in the porthole, but he never found the source of the knocking sound. Until returning to the ground, people still can't make a reasonable explanation for this phenomenon.

"giant image"

Some astronauts have said that when observing the earth in space, the objects on the ground should be very small and general, and only some ground topography can be seen. But when they were observing at that time, some objects seemed to pass through a magnifying glass, and the clear appearance and outline came into view directly.

Astronaut Georgi also said that he had seen a huge "giant image" when flying over Mongolia. At that time, they could not find a reasonable explanation for such things, and the astronauts in the same industry speculated that it might be a "snowman."

Bark in a low voice (Lycra)

Leica, as the first life form in space on earth, has been drifting in space since it arrived in space from a spaceship. Astronaut Vladislav once said that he heard dogs barking in space, which was very similar to Leica's voice.

Not to mention how to hear other sounds in space without air, it is surprising whether Leica was still alive at that time.

UFO

Perhaps for mankind, the greatest significance of exploring the universe is to discover a new super civilization. In human history, there are also many rumors that aliens have been seen or even met somewhere. Many unearthed cultural relics in Sanxingdui were ridiculed by netizens as "the identity of aliens cannot be concealed".

In the aerospace industry, astronauts have encountered similar situations. American astronaut Gordon Cooper once said that in 1963, he saw a flying object with a green disc. Coincidentally, nine years later, in April, when the Apollo 16 spacecraft returned, it also photographed unidentified flying objects.

More recently, on June 6, 2065438 16, China's "Shenzhou 9" appeared a light spot in the live broadcast of the camera, the source of which was unknown. It flew from the lower right to the upper left of the lens and finally disappeared. Later, some people thought that this "mysterious light spot" was the so-called alien spacecraft UFO.

scientific explanation

The scientific community has made a relatively reasonable explanation for the above-mentioned "weird" phenomenon.

They think that there is no air in space and the atmospheric pressure inside the spacecraft is different. When the spacecraft arrives in outer space, some radiation in space and different magnetic fields will have some uncertain effects on the spacecraft, so that astronauts can hear some "analog" sounds, while in people's subconscious, a strange thing will automatically lean on what they know, so there will be "knocking at the door" and "barking" by Leica.

Another explanation is that astronauts spend too long in completely quiet space, subconsciously looking for some spiritual sustenance to relieve boredom, thus producing some hallucinations.

For UFOs in front of the camera, it's like what happened to Apollo 16 a long time ago. They were later clarified by scientists, saying that they were just floodlights and cantilevers for astronauts' extravehicular activities, not UFOs as people thought.

Mysterious power

At present, human beings can only speculate on these unfamiliar things and their development with known science. As for whether this explanation is completely correct and what the real situation looks like, it is still impossible to draw a complete conclusion.

As we have been trying to find out, is there an alien Wen Mingzhen? Is there really a mysterious force in the universe that will affect human beings? Everything encountered in space is really an illusion?

The answers to these questions may not be truly 100% confirmed until the future, when humans really find definitive evidence.