Named second reason for the existence of liquid water on Mars
In the summer of 2018 NASA researchers have found signs of liquid lakes under the ice of the southern pole of Mars. According to radar equipment the Mars Express, the lake is located at a depth of 1, 5 km long and extends as much as 20 km. Initially it was believed that the water contained in it does not freeze because of the huge amount of dissolved sodium, magnesium and calcium. Now researchers have found a new reason why the water under the ice crust at a temperature of -65 degrees is still liquid.
It is believed that the salt can not be the sole cause of this phenomenon. Most likely, in the world there is a heat source, and the most plausible option at the moment - is the presence of hot volcanic magma. Scientists already know that a long time ago Mars was a very volcanically active planet, but in the last few million years, it has become much calmer.
The fact that on the surface there is liquid water, says about volcanic activity and to this day. According to the calculations of researchers, to maintain the required amount of heat volcanic activity was maintained over the past 300,000 years and accumulate magma at a depth of no more than 10 km. Most likely, the way it is.
This means that the inside of Mars is still active formation of magma chambers, and the depths of the planet is far from being cold and dead place.
Brans Ali, one of the authors of the study
If Mars really possible accumulation of water, it can greatly facilitate the research missions. Astronauts do not have to take with large reserves of drinking, and they will have more space for more payload. Also, it means that somewhere in the bowels of the planet may be living organisms, which ever could be called "the first aliens."
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