Chapter 1227 Interesting Space Life
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However, when Lin Xiaowei, Sun Ming, and Li Yu were on Earth, they also had training in this area. Otherwise, the three of them would have to be hungry on the first day when they came to this space station.
But even so, Lin Xiaowei, Sun Ming, and Li Yu's first meal could only be described as ironic.
Three people ate this meal, and it felt like a day at work. Especially when drinking water, it feels particularly strenuous. Although a special feeding bottle is used, it is difficult to suck the water in the feeding bottle into the mouth. Because there is no gravity in space. When there is a lot of water in the bottle, it can still be sucked normally. But when there is less water in the bottle, it is more troublesome to suck them. Because of this small amount of water, it began to float in the bottle. It is not easy to absorb them.
But sometimes, eating is also a very interesting thing. When eating food like bread, you can also let the bread float in the air, and then bite it with your mouth. Eating like this is like playing a game, which makes people feel very interesting.
However, in addition to the troublesome eating, washing your face, brushing your teeth, and going to the toilet are both troublesome things.
Space is a magical world full of charm, and life in space is a fascinating and curious topic.
The space environment is very different from the earth environment. There is no air, no gravity, and dangerous space radiation. Of course, in a closed space station or space shuttle cabin, there is enough air for you to breathe, and good spacecraft shielding materials can effectively block space radiation, but "weightlessness" will bring some troubles to life.
If you live in space in the same way as on earth, there will definitely be a lot of big jokes. For example, if you have a meal, if you hold a bowl of rice, grains of rice will float all over your cockpit, and you may not be able to eat any grains when you open your mouth; but when you close your mouth, grains of rice may float into your nostrils and choke you. half dead. You want to sleep comfortably in bed, but you will find that there is no upper and lower boundaries in space, and there is almost no difference between "lying" and "standing".
Astronauts' food is rich and varied, from a dozen kinds at first to more than 100 kinds. Astronauts generally eat 4 meals a day, and the recipes are not repeated within a week. Some people think that the astronauts' food is made into toothpaste and squeezed to eat, which must be boring. In fact, this is the situation of the early astronauts, and it is no longer what it used to be.
Now astronauts can eat sausage pies, spicy grilled fish, tempeh broth, biscuits, chocolate, yogurt, preserved fruits, juices and other delicacies in space. American astronauts can even drink their favorite drinks. Coca Cola. However, astronauts can't eat whatever they want. They must eat according to the recipe prepared for them by the nutritionist on the ground.
When the astronauts on the US space shuttle eat, they first take out the plastic bags marked with the words of the day and the meal from the food cabinet. Each plastic bag contains 7 kinds of food for an astronaut to eat. Space food is all dehydrated food. Just before eating, you can put the food into a bowl-shaped container, inject a certain amount of water into the container with a syringe, and then put it into the oven to heat. A meal can be "cooked" in less than half an hour.
The space dining table is specially made. It is magnetic and can hold cutlery such as knives, forks, spoons, bowls, plates, etc. It is equipped with a water cooler and heater on the table. When eating, astronauts must first fix their feet on the floor and their bodies on the seat so that they do not float. Facing the food on the table, you must not be in a hurry, and you must pay attention to the coordination of a series of actions such as serving the bowl, holding the rice, opening your mouth, and chewing.
The bowl should be handled gently, if the action is too violent, the rice will float out of the bowl; the rice and vegetables should be picked up decisively, and the pinch must be pinched and pinched. The effect is the best; after the food is caught, open your mouth quickly and close your mouth quickly, because even the food in your mouth will "fly" away if you don't close your mouth; slow down the rhythm when chewing, and chew slowly The pharynx is good for digestion, and can also reduce the generation and excretion of exhaust gas in the body, so as to avoid the pollution of the living environment of astronauts.
Some people like to chat while eating, but the most taboo thing about eating in space is talking while eating. Talking while eating will cause the food fragments chewed in the mouth to fly out of the mouth and float in the dining room or living cabin. Astronauts who do not pay attention to inhaling into the nasal cavity will easily choke into the lungs and cause danger.
Although space food is in sufficient supply, complete in variety and rich in nutrition, astronauts generally complain that eating in the sky does not taste good. Scientists analyzed that the reason may not be the food itself, but the space environment caused the astronauts' sense of taste disorder.
For example, the loss of weight makes the nasal cavity congested, which leads to the blunting of the taste nerve, changes in saliva secretion that affect the sense of taste, or the sense of taste is affected because the color of food cannot be seen or the smell of food cannot be smelled. When Chinese-American astronaut Wang Ganjun took the space shuttle to the sky, in order to give him a good appetite, his wife made fried mutton, which he usually likes to eat. This food is named "Mrs. Wang Fried Lamb".
Astronauts sleep in space is indeed "confused sleep", the first performance is black and white, and the second is strange sleeping posture. There is no distinction between black and white, which means that astronauts are sailing around the earth in the sky, and the sunrise and sunset in space are determined by the time it takes for the spacecraft to circle the earth. Sometimes the sunrise and sunset alternate many times within 24 hours. Astronauts cannot follow the living habit of "work at sunrise and rest at sunset" on Earth, so they have to mechanically arrange work and sleep by the hour.
The strange sleeping position means that astronauts can't find the feeling of "lying down" in the weightless environment of space. In the earth's gravity environment, people are used to setting the direction of gravity as "down" and the direction of "sky" as "up", which is what people often say "foot on the ground, blue sky above your head".
But
In the weightless environment, people lose the reference coordinates of "up" and "down". They can't step on the ground, and the sky is all around them. One said.
Since they can fall asleep standing, lying down, or lying down, astronauts can sleep floating in the space capsule, hanging on the wall, tied to the bed, or hung on the beam, leaning against the table. sleep.
But most astronauts are not used to drifting to sleep. Once awakened from floating sleep, they will have a feeling of falling into the abyss. In order to gain a sense of security, astronauts usually sleep on a fixed bed or in a sleeping bag fixed on the wall. After the sleeping bag is tightened, it can exert a certain amount of pressure on the human body, so that people can eliminate the sense of panic that is about to fall.
Some people sleep with their hands or legs outside the quilt. This seems to be a normal phenomenon on the ground, but in the space environment, it is very dangerous. In the weightlessness of space, the limbs of a sleeping person will float around without being controlled by the trunk. A former Soviet cosmonaut once slept with his arms outside his sleeping bag and was startled when he woke up to find two large hands floating towards his face. It turned out that the two fluttering hands were his own.
It’s still a trivial matter to be startled. If the out-of-control hands and feet of “freedom” inadvertently touch some switch or instrument after the astronaut falls asleep, wouldn’t the safety of the space capsule and the lives of the astronauts be critical? Big problem? Therefore, when sleeping in space, be sure to put your hands and feet in the sleeping bag.
Due to the weightless environment of space, the seemingly simple washing, brushing teeth, shaving, haircut and washing on the earth have become very complicated and troublesome things in space.
Astronauts wash their faces and brush their teeth rather strangely. In order to prevent water from floating around, they usually wipe their faces with a wet towel to wash their faces; when brushing their teeth, dip their fingers in toothpaste and rub them back and forth a few times, and then use a wet towel to wipe their teeth clean and brush their teeth Even if it is done. If you brush your teeth like you are on the ground, the toothpaste bubbles will fly all over the cockpit.
Astronauts generally use electric shavers to shave, and they must be very careful that beard dregs leak from the edge of the razor. The space capsule is inherently small, and environmental protection issues are extremely important. If fine beard stubble floats in the cockpit, it will be very difficult to clean it up.
It is not easy to cut hair in space, so both male and female astronauts have to cut their hair shorter and shorter before going to space. But after flying for a long time, the hair will grow again, what should I do? Astronauts must help each other in a spirit of solidarity, with one cutting hair while the other vacuums up the clippings
Bathing in space is more troublesome. Astronauts need to put their feet in a fixed ring, otherwise the floating body will keep turning somersaults when it is washed by the water. The water in the weightless state is full of small drops of water, which can easily choke and hurt people, or even choke to death, so astronauts have to wear breathing masks and goggles when taking a bath. After taking a bath, the sewage on the body will not flow down automatically, and the water pump needs to be started to suck it out together with the air. The water that got on the canvas cover had to be pumped away too. Take a bath, the real bathing time is only 15 minutes, but it takes 45 minutes to clean up the sewage and other preparations.
Later, scientists made some improvements to the space bathroom. For example, the bathroom on the Russian Mir space station is like a sauna. Astronauts warm up for a period of time after entering, making their bodies sweat, and then scrub with wet towels. Because it is inconvenient and uncomfortable, the "sauna room" has been changed to a sleeping bag-like device.
When astronauts take a bath, clean water and bath liquid are ejected from the bag. After scrubbing, the exhaust fan under the bag can be turned on to suck out the dirty water. The bathroom on the U.S. space shuttle is a shower cover, and the lower part of the shower cover is also equipped with an exhaust fan. Astronauts turn on the shower faucet and exhaust fan when taking a bath, spray water on the top and pump water on the bottom, which will form a shower effect like the ground.
The lives of Lin Xiaowei, Sun Ming and Li Yu in space are also wonderful. Although, they will have some troubles in life. But for a pre-astronaut who has never been in space and is particularly yearning for life in space. No matter how troublesome the space life is, I am very happy in my heart. After all, this is something that ordinary people may not experience in a lifetime.
These two weeks will soon pass. Lin Xiaowei, Sun Ming and Li Yu lived in space for the first time. Although there are some situations. But they are all young people, and their adaptability and adaptability are also very strong. They quickly adapted to life in space. And many space experiment tasks can be completed in space.
In this way, two weeks later, Lin Xiaowei, Sun Ming, and Li Yu returned to the earth from the space station on the moon landing spacecraft.
This trip to space made Lin Xiaowei, Sun Ming and Li Yu grow into real astronauts. Although, they haven't carried out missions to the moon yet. But the manned spaceflight experiment they participated in this time has already been known to the teachers and students of Huaqing University, and they are all very proud of having such three outstanding students in their school!
Before, the seven reserve astronauts selected together with Yang Chengwei and the others. Although this time, they were not selected among the three-person team of astronauts who landed on the moon. But the seven of them may carry out missions to the moon in the future.
After all, Zhao Zhongyao told them a long time ago. The moon landing mission they handed over is just the beginning of a great era. They, Huaguo, will never carry out this mission to the moon, and will never perform such a mission again. In the future, they may conduct multiple moon landings.
Since this is the case. The seven reserve astronauts who were not selected this time. In future missions to the moon, they are still very likely to take on this important mission.
Besides, Lin Xiaowei, Sun Ming, and Li Yu, after completing this manned spaceflight experiment. that's wrong
very happy. Although this is not a mission to the moon, for them, they feel that their dreams have been realized. They have grown into a real astronaut.
After this manned spaceflight experiment mission is over. Zhao Zhongyao and the others began to prepare for the real moon landing plan.
However, before the real moon landing plan is carried out. They still have one big thing to do. It is to launch another spacecraft to the moon. This is a large cargo ship. It is not used to ride astronauts, but to transport all living materials that astronauts need to live on the moon.
As the saying goes, 'before the soldiers and horses move, the food and grass go first'. The same goes for the space program. I want astronauts to conquer space. Before the astronauts take action, they must first prepare the supplies needed for the astronauts to live in space.
This time the moon landing plan, Zhao Zhongyao decided to divide it into six steps to complete the moon landing plan this time. First of all, the astronauts must be sent to a space station in a synchronous orbit of 1,000 kilometers from the earth.
Astronauts who landed on the moon there will take a break and check the equipment for the moon landing. Then continue to take the spaceship and fly to the moon.
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