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Translation and subtitles: Equipe VIDA CRISTAL The spacesuit exists to protect the astronaut from the vacuum of space. It is designed to keep a lively and comfortable person in the difficult environment of the exterior space. But, what happens to a person when he goes to the vacuum of the space without the costume.
It will explode, it will survive? How long it will remain conscious? AN ANSWERS What happens when an astronaut foes out in the vacuum of space without a spacesuit?
You will not die instantly, instead, you would have about 10 seconds before becoming unconscious, and about 1 minute before you die. But you want to know how it would be the experience of the 10 seconds before you become unconscious? Well, immensely painful, your body will swell to the point of increasing up to 2 times its normal volume.
Your tears, saliva and any fluid from your body, will begin to boil, because the pressure of the space is lower than the pressure of the water vapor. However, the blood that is contained within your body, pressurized above the atmospheric pressure by the beating of your heart, it will not boil. It seems good news, isn’t it?
But, no! This only will serve to delay your death and cause you more pain and despair, I say despair because at that time you would want to die. At this time, as the internal pressure of your body will change suddenly, you do not have to worry with the nitrogen suddenly dissolved in the blood, forming bubbles.
To give you an idea, this is how your blood turn into coke. And you will start to shake and foam. The sudden exposure to a vacuum, may also have very bad consequences for your gut, it will expel the gases like in an explosion.
The pain will be unimaginable, according to the Hollywood movies, en astronaut exposed to vacuum is instantly frozen, theres even a movie in which a scientist mentions that the temperature is -233º Celsius. This is the absolute zero, but this is wrong. In fact there is no temperature in space, then you can not measure something that does not exist.
So, in the exposure to the space you can feel your skin slightly cool, while certain fluids quickly transport the heat away from your body, as they evaporate. On the other hand, if the sun is visible, you will definitely feel its warmth without the benefit of Earth's atmosphere, to protect you from the ultraviolet radiation. The sunburn can be a major concern.
If the exposure is explosive and suddenly you are in a pressurized environment like the vacuum of space, you'd better not hold your breath, since the air would evacuate from your lungs. What you hear right now? A sudden and high woosh, with the air being sucked you from the inside out, followed by an absolute silence.
What do you see? Your eyes will dilate and your vision will blur. Not only due to the inability to focus on the moon but also because your tears are boiling, evaporating by the eyes.
It is the lack of air, and not the pressure that will kill you. In the same vacuum with pressure, your lungs will function effectively in the reverse way, depriving your blood of any oxygen. You will lose consciousness in about 10 seconds, and become completely unrecoverable within 90 seconds.
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