"Business trip" in outer space is extraordinary and exciting

  Core reading

  Since the successful launch of the Shenzhou 12 manned spacecraft, the astronauts Nie Haisheng, Liu Boming, and Tang Hongbo have been working and living in orbit for two months.

What is life in space?

From food and drink, to sports and health care, to psychological support, with the meticulous preparation and strong support of the ground team, the astronauts had a fulfilling and wonderful life in the space station just built.

  Since the successful launch of the Shenzhou 12 manned spacecraft on June 17, astronauts Nie Haisheng, Liu Boming, and Tang Hongbo have been on business for two months.

Space walks, equipment replacement, experimental operations, daily fitness, taking time to store luggage and parcels, arranging "space homes"... In the space station that has just been built, with the careful preparation and strong support of the ground team, the astronauts’ space life Live a full and wonderful life.

  Have a meal

  Staple food, non-staple food, dessert, more than 120 kinds of foods with meat and vegetables, balanced nutrition

  The Shenzhou XII space station's first space station out of the cabin lasted for 7 hours. Such a high-intensity operation is a huge drain on the astronauts' physical strength. It is a good way to restore physical strength with a delicious meal.

With the continuous development of manned spaceflight, the astronauts' recipes on the space station have become more and more abundant. The Chinese space station has hundreds of food varieties, with a combination of meat and vegetables and a balanced nutrition.

  The Shenzhou 12 manned mission equipped the astronauts with more than 120 kinds of space food, including staple food, non-staple food, condiments, and desserts.

For example, there are quinoa osmanthus porridge, coconut bread, radish with sauce, assorted fried rice, hot pepper potatoes, spicy tuna, marinated chicken gizzards and other dishes, which are rich in variety and good taste.

Before each flight mission, there will be professional scientific research personnel carefully deployed for the astronauts, the key is to achieve a balanced nutrition.

  This is one of the day’s space menus: breakfast has porridge, bread and sauced radish; lunch has meat and vegetables, space fragrant rice dumplings, and a rehydration soup with cabbage and beef soup. The rehydration food can be eaten after adding water to restore. The food; dinner is also very rich, there are chicken and fish.

In addition to the main meal, there are also a variety of accompaniment foods such as chocolates, cookies, assorted canned foods.

The space kitchen of the space station is also equipped with food heating devices, allowing astronauts to eat hot meals in space.

  Not only that, in order to allow the astronauts to eat their favorite foods, the researchers also personalize the space recipes based on the astronauts’ personal tastes and on the basis of meeting the requirements of healthy nutrition.

  In addition, the diet of astronauts in orbit should be adjusted accordingly according to different flight phases.

When you first enter orbit, you will choose porridge and some light foods, which will help the astronauts to replenish body fluids and are more conducive to digestion.

  Drink water

  Soft water bladder, environmental control and life protection system to ensure safe and adequate drinking water

  Get a glass of water early.

In the sleeping area of ​​the core module of the space station, after getting up, astronaut Tang Hongbo sucked a few mouthfuls of drinking water from a transparent water bag.

In a water-free space environment, allowing astronauts to use safe and reliable water is the basic guarantee for long-term life in space.

  How to ensure the safety and sufficient aerospace drinking water?

There are usually three basic requirements: the aerospace drinking water supply must be reliable ingestion, sufficient water and qualified water quality.

Reliable intake means that the hardware equipment of the drinking water supply system must be suitable for a weightless environment to ensure that astronauts can safely and reliably drink drinking water and prepare rehydrated food and rehydrated beverages with drinking water.

  Before the start of the Shenzhou 12 mission, the Tianzhou 2 cargo spacecraft had delivered supplies to the astronauts, including more than 10 soft water bladders, which could be used as daily water.

But this time the astronauts will stay in space for three months. Such a long time in orbit will consume a lot of water. In addition to the above two channels, recycling and reclaimed water will also be used.

Therefore, the space station has also adopted an environmental control and life support system (referred to as the "environmental control and life support system") to realize the recycling of space station materials as much as possible.

The environmental control and life support system also plays a huge role in the recycling and reuse of water.

Relying on this system, the water vapor exhaled by the astronauts can be collected through condensation and drying components in the space station, and then converted into reclaimed water for drinking through the purification device.

If necessary, urine can also be collected and processed into pure water.

  Exercise

  Treadmills, exercise bikes, elastic bands, keep the bones strong and prevent muscle relaxation

  On the space station, the astronauts' food, clothing, housing and transportation are carefully taken care of by the designers.

Nie Haisheng, Liu Boming, and Tang Hongbo wore blue cabin overalls for work most of the time. Sometimes they also wore exercise clothes, casual clothes, weightless protective clothing and other clothing.

Taking into account the changes in the shape of the soles of the feet in a variety of operating environments, as well as the microgravity state in the cabin and the weight requirements of the spacecraft, the cabin shoes worn by the astronauts are made of soft, lightweight, environmentally friendly and elastic materials. To ensure the comfort and safety of their feet when moving in the spacecraft cabin and the space station in a weightless environment.

  Pull-ups, bicycles, running, stretching...In the exercise area of ​​the core module, three astronauts use treadmills, exercise bikes, and elastic bands for strength training.

Stretching chest, stretching legs, exercising back muscles...Nie Haisheng demonstrated the various uses of the rally in the Tianhe core module; Liu Boming has become completely accustomed to the space treadmill, even in a weightless environment, he can still run Very vigorous; Tang Hongbo is also proficient in using space bikes.

Every astronaut has his own exercise plan. As the time in space gets longer and longer, their daily exercise intensity has reached 60% to 80% of their maximum ability.

  Space training is not only about physical fitness, but also related to the life and health of astronauts. It is an important means to prevent muscle atrophy and bone loss.

The main purpose of astronauts doing physical exercises every day is not to lose weight, but to keep the body strong in weightlessness, while preventing muscle relaxation, fighting the weightless effect, and maintaining the best condition.

As the flight time increases, the exercise intensity of the three astronauts will gradually increase to alleviate the physiological effects of weightlessness.

  Physical examination

  Blood collection, fundus examination, bone density measurement, real-time tracking of physical conditions

  Living in space for a long time may cause some symptoms of space disease. Physical examination is one of the important tasks of the three astronauts.

  In the "dark room" of the core cabin of the space station, Tang Hongbo performed fundus examinations on Liu Boming and Nie Haisheng.

In space, fundus examination is an important item in the medical supervision and insurance work of astronauts, which is conducive to real-time tracking of the physical condition of astronauts.

Nie Haisheng also put his feet into the testing machine for bone density testing.

  In fact, during the Shenzhou 12 crew flight, in order to monitor their health conditions, the astronauts will conduct regular "self-service" physical examinations.

There are more than a dozen pieces of medical equipment in the inspection cabinet, and the astronauts undergo regular physical examinations every 4 to 5 weeks, including ultrasound examinations and complete blood counts.

For astronauts, routine examinations such as blood collection, mutual cardiac ultrasound, abdominal ultrasound, and ultrasound functional imaging evaluation are a piece of cake.

  Unzip

  Talk to your family, browse the news, watch the Olympics, and relax in many ways

  After entering the space station's Tianhe core module, the astronauts assembled the wireless WiFi equipment in the space station, giving the Chinese space station "mobile WiFi" and creating a smart home living space.

More than 10 wired and wireless network cameras, wired and Bluetooth headsets, mobile phones, tablets, and laptops in the space station can all be used as network terminals to access the network.

Through the relay satellite and the relay antenna on the core module, the sky and the ground network are connected as a whole, so that the astronauts can communicate with ground personnel and family members, and can also make video calls.

  Usually, the astronauts wear small and exquisite bone conduction headphones with better voice effects and painless wear for a long time. After connecting to the Bluetooth of the mobile phone, they can connect to the cabin equipment through WiFi, so that they can talk to each other in the various cabins on the station, at any location. You can also talk to the ground.

  Being in a closed space for a long time can easily cause astronauts to experience symptoms such as increased psychological pressure and physical discomfort. Therefore, protecting psychological and behavioral health is an important task for astronauts during orbit.

Reading news information, sending and receiving e-mails, two-way video calls with relatives and friends, and "interaction between heaven and earth" activities on festivals and birthdays are all effective means of psychological support.

  This time in space, the Shenzhou 12 astronaut crew can regularly browse news websites, and the ground will also update and upload entertainment information according to their needs.

Not long ago, the astronauts also watched the video playback of the Tokyo Olympic Games table tennis, diving and other events. These game videos were recorded by the ground control center and uploaded to the space station for astronauts to watch.

  At the same time, the space station cabin is equipped with leisure and entertainment facilities for the astronauts, who can use their free time to watch movies, listen to music, and read books.

In addition, there are psychologically supporting projectors, harmonicas, flutes and other personal entertainment items in the space station.

On this basis, technicians have developed a psychological relief system based on virtual reality technology, through which astronauts can see family members, familiar ground life scenes, and natural scenery of the earth.

Through a reserved private voice channel, astronauts can also call their family members to "talk privately", share life in space, and relax.

Yu Jianbin Wang Xiao

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