What Happens to a Person in Outer Space Without a Spacesuit?

Space
3 min readJun 3, 2024

Imagine a scenario where you are in outer space without a spacesuit surrounded by a vacuum; what would then happen to your body under such conditions? There are many theories about this situation. Some believe a person would burst due to internal pressure, while others think that one would instantly freeze. But what really happens to a person in reality? Let’s explore this question together.

Source: https://v-kosmose.com

What conditions await a person in outer space?

Before understanding what happens to the human body in outer space, we need to know about the conditions it will face in this environment.

Space is almost a complete vacuum with very few particles, meaning there is no pressure. Atmospheric pressure on Earth determines the temperature at which a liquid boils. However, since there is a vacuum in space, the boiling temperature of liquids is significantly reduced.

Source: https://regnum.ru/news/2128681.html

Moreover, space is frigid. The temperature there is about 3 degrees Kelvin, but this does not cause everything to freeze instantly. If an object had a sufficiently high initial temperature before entering space, then since there…

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Space

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