Lead:
"Astronauts" is a profession full of yearning and awe, yearning for them to be able to explore the mysteries of the universe in space, and awe of them for this dream, they have overcome countless difficulties and challenges.
It's a profession with endless charms, but behind it are little-known hardships.
In the mainland's aerospace industry, there is such a heroine, who is not only the pride of the mainland, but also the pride of all mankind.
She is "Wang Yaping", she has proved the power of women to the world with her bravery and tenacity, and has also contributed her own strength to human exploration of space.
Life in space as an astronaut.
Wang Yaping was the mainland's first female astronaut and was one of the few female pilots in us until she became an astronaut.
However, she did not stop there, in 2009, Wang Yaping resolutely joined the astronaut selection team, and finally successfully selected.
As an astronaut, there are countless challenges and pressures to face.
The environment in space is very different from the ground, and it can be extremely torturous for those who are new to space.
Because in space, the weightless environment can levitate the body, creating a feeling of floating.
This is extremely terrifying for people who are entering space for the first time.
Because they don't know if they're going to get hurt.
However, it turned out that such fears were unnecessary.
Because in space, astronauts are trained to adapt well to this weightless environment.
So, how do astronauts live in weightlessness?
First of all, when it comes to diet, they need to use special packaging to seal it to ensure the integrity of the food.
Then, while eating, they just need to use a straw to suck out the nutrient solution from the food and swallow it by chewing.
The advantage of this is that even in a weightless environment, the food does not fly around.
Not only that, but astronauts also need to use straws when drinking water.
All they need to do is insert the straw into the water bladder and use the suction of their mouth to suck the water out.
The advantage of this is that the water does not scatter around, but can be drunk well.
And in terms of excretion, astronauts need to use special excretory equipment.
This excretory appliance has an oval "hole" at the top and a bag at the bottom.
Astronauts only need to sit on this excrement apparatus, expel the excrement from the body, and then seal the bag to avoid the problem of the excrement flying everywhere.
In this way, the astronauts can still live well in a weightless environment.
Cardiac degeneration Hip displacement.
When astronauts live in space for a period of time, their bodies undergo a series of changes.
These changes are not only related to the safety of astronauts, but also affect their lives after returning to the ground.
First, the astronaut's heart muscle degenerates.
This is because in a weightless environment, the pressure of gravity on the heart decreases, resulting in a weakening of the strength of the heart muscle.
In addition, due to the absence of gravity, some components of the blood also change, causing the blood to become thinner and the danger of clotting increases.
This is extremely detrimental to the health of astronauts.
Secondly, in a weightless environment, due to the lack of gravity, the calcium on the astronaut's bones will gradually be lost, resulting in the bones becoming brittle.
This not only makes the astronaut weaker, but also increases the risk of fractures.
Therefore, astronauts need to do proper exercise in space to maintain the strength and fitness of their bodies.
However, these changes did not happen overnight.
When astronauts return to the ground, it takes some time for their bodies to return to their normal state.
This recovery process can be very lengthy, even taking months.
In this process, the astronaut's body will not only feel weak, but also lead to some health problems, such as heart disease, osteoporosis, etc.
In order to cope with these problems, astronauts will undergo a series of training to adapt to the space environment before going into space.
In addition, while in space, they also do regular exercises to keep their bodies healthy.
However, despite their preparations, they will still find it extremely difficult to face the challenges of the space environment.
Wang Yaping's space journey.
In 2013, Wang Yaping went into space aboard the Shenzhou 10 spacecraft.
This is her first time in space, and for her, it is both a rare opportunity and a great challenge.
In space, Wang Yaping experienced all kinds of discomfort caused by a weightless environment.
The pain is suppressed, and the stomach aches and the body does not feel the heat.
After returning to the ground, Wang Yaping said that he couldn't even walk.
In space, Wang Yaping not only has to deal with all kinds of difficulties brought about by the weightless environment, but also has to maintain a good mental state.
Because in space, there is nothing that can help astronauts sleep, only their willpower can help them stay awake.
In addition, in space, astronauts have to learn to plan their time wisely.
Since there is no day or night in space, astronauts can only work and rest according to their biological clocks.
This is a huge challenge for astronauts who are accustomed to life on the ground.
However, Wang Yaping was not knocked down by the space environment.
On the contrary, she used her courage and perseverance to overcome all kinds of difficulties and complete her space mission.
After returning to the ground, Wang Yaping not only did not be knocked down by space life, but strengthened his determination to explore space.
Epilogue:
The profession of an astronaut requires not only courage and perseverance, but also tenacity and intelligence.
It is because of their dedication and sacrifice that we are better able to explore the universe and understand the mysteries of the world.
For astronauts, life in space is hard, but it is also a rare opportunity.
With their courage and perseverance, they have completed space missions one after another, contributing to the cause of human space exploration.
Space exploration is difficult and dangerous, but it is also fascinating.
Astronauts explore the unknown world in space and discover the mysteries of the universe.
It is because of their dedication and efforts that humanity has been able to better understand our universe.
As Wang Yaping said, "Space is a place full of dreams and miracles, and we must be brave enough to explore its mysteries."