What are the physical and moral tests an astronaut undergoes in outer space?


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What are the physical and moral tests an astronaut undergoes in outer space?

We all remember the moment from the action movie with Arnold Schwarzenegger "Remember Everything", where the main character finds himself in a terrible situation, being on Mars, and in particular, it is practically tearing it apart. By the way, this is just a movie. However, many people are curious that it actually happens to humans in outer space.

The desire to go to the toilet comes late

Despite the fact that Arnold was not in outer space, but on the Red Planet, he nevertheless ended up very far from home, and his spacesuit broke. If we talk about what happens to astronauts outside of any technical failures, then all this is quite harmless. For example, against the background of the absence of gravity in outer space, the bladder lets you know when you want to go to the toilet at the last moment.

There is no way to cry normally

If on Earth during crying a person’s tears simply flow down his cheeks, then in space this is somewhat different. There, the clear liquid from the eyes does not go anywhere, and turns into an eye film resembling a contact lens.
It’s very difficult to navigate in space

Perhaps disorientation can be called the most unpleasant of the corresponding list. And such a process occurs due to the fact that certain organs lose data, in which on Earth a person easily understands where the bottom is and where the top is.

Strange lights out of the darkness

The astronauts are exposed to mysterious fires, and they see them with their eyes closed. In this arrangement of things, photoreceptors located in the back of the eyeball are involved. This may seem too surprising, but the sun's rays act on them constantly, causing mysterious pictures.

A lot of blood in my head

Blood that accumulates in the head during a stay in outer space should also be attributed to the most unpleasant and dangerous sensations. This happens due to the same lack of gravity. Blood in the body begins to move randomly and from time to time accumulates in one part of the body.

Nerves to the limit

Earthlings see sunrise and sunset only once a day, while astronauts undergo solar flicker as much as 16 times in a similar period of time. They even have to do some exercises so that their nerves are not completely shaken due to the constant flickering of a star before their eyes.

Zero sensitivity

Often, astronauts need to look at their body parts to understand that everything is normal with them, since in outer space sensitivity is completely absent. And, again, gravity is to blame, which is not there.

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