After 10 years on Mars, what have we learned?

Mars was able to support life… around 3.5 billion years ago

The Curiosity device discovered that there were traces of liquid water, organic matter and energy sources on Mars, which could therefore have supported a simple form of life
We also found the same chemical compounds that make up our DNA

The planet is now hostile to life
All the liquid water and a very large part of the gaseous masses of Mars have evaporated, it The temperature there today is -63° on average and its atmosphere is three times weaker than the Earth

Hope for a manned mission
While the radiation level of a single mission would correspond to the maximum set by NASA for the entire life of its astronauts, it seems that certain hills harbor this radiation. In addition, shields are in preparation.

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