How Would Humans Evolve on Mars

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How would humans change on Mars?

For some, colonization of Mars seems only a matter of time. But how does the low gravity affect the human body? Researchers believe there will be visible changes – making a return to Earth impossible.

Sci-fi film "The Martian" illustrates well the challenges a manned mission to Mars.
Based on current research, the sci-fi film “The Martian” illustrates well the challenges a manned mission to Mars brings with it. But that would only be the beginning of a long journey. Photo: The Martian / 20th Century Fox.

When people think of trips to Mars, they already dream of colonizing the Red Planet. But in these visions, little thought was given to how life on the alien planet would affect the human body.

Mars is, in many ways, very similar to Earth. There are periods of daylight, changes in climate, and even seasons. A very significant difference is that gravity on Mars is only 38% of that of our home planet. And this could have a lasting impact on human beings.

Humans will change physically very quickly because the gravitation on Mars is weaker

Said British astronomer Chris Impey of the University of Arizona in a recent interview.

An uncomfortable environment

Video: mankind has fantasized about life beyond Earth for thousands of years, but would you really want to spend the rest of your life in a spacesuit?

To understand the physical challenges that Mars presents to us, we need to look at the general conditions. It is about six times smaller and experiences 62% less gravity on the surface than the Earth.

The atmosphere is toxic and deadly – at least for the vast majority of living beings as we know them. Temperatures range from -5 to -125 degrees Celsius. Water is abundant, although frozen.

Atmospheric pressure is so low that neither water can flow nor humans can survive. The atmosphere and the low force of the planetary magnetic field mean that you get a hundred times more cosmic radiation at the surface than on Earth.

Regular sandstorms tend to block out sunlight for weeks at a time. On the bright side, there is plenty of sunshine otherwise, and one day on Mars lasts about as long as on Earth.


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