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Mars looked like in the past?
At the moment, is almost proved that earlier on Mars had water in liquid form, and a more dense atmosphere, is very different from what we are seeing now on the Red Planet.
Currently Mars predstavlet a desert with sparse atmosphere where life and if possible, only somewhere in the depths of Mars, caves and voids (speaking of life, we mean organisms, bacteria or viruses, and not highly organized beings). So, NASA decided to try to imagine what constitutes Mars in the past.
To do this, using satellite data MAVEN (Mars Atmosphere and Volatile Evolution), scientists have created the image of "Mars now / Mars in the past," where you can see the current state of affairs and the alleged appearance of the area in the past. < br />
By the way, not so long ago, NASA experts have done more and a video demonstrating the evolution of Mars:
Looks almost like the Earth, right? It would be just fine to hold the terraforming of Mars, in order to obtain a reliable outpost of civilization in space. But this is still far away, unfortunately.
Source: geektimes.ru/post/240302/
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