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The water volume will be sufficient to cover the Mars in an ocean about a mile deep.
Posted by Leslie Eastman
Scientists have discovered an important reservoir of liquid water deep below the march surface and achieved a big breakthrough in our understanding of the water cycle of the red planet and the potential for habitability
The discovery was carried out on the basis of data from Mars Insight Lander of NASA, which recorded seismic activities on Mars for four years before their mission was completed in December 2022. By analyzing the speed of the seismic waves from Marsquakes, the researchers were able to close the presence of liquid water in the rocky crust of the planet.
Three billion years ago, Mars was covered with oceans and flowing water flows. Today the landscape of the red planet is very different, without liquid water water – only stains of frozen water ice – and rocky canals and dry lake, where there were once rivers and lakes.
According to a new study published on Monday in the Proceedings magazine of the National Academy of Sciences on Monday, the Mars could contain a massive water reservoir in the corners and angles from Porous, Vulcanic Rock under its surface. If the researchers are extracted, the researchers say that it would be enough water to create a planet-wide ocean that is about a mile deep.
Data from Insight Lander from NASA, a robot that is supposed to examine the deep interior of Mars, showed the underground ocean. Nevertheless, the water is not a single huge reservoir; Instead, it is enclosed in the miniature cracks of the planet's crust between about 7 and 13 miles deep. The results could help the researchers to put together what happened to the entire water on Mars for billions of years ago – and it could be the next place where you can search for signs of life.
The researchers Ikuo Katayama from Hiroshima University and Yuya Akamatsu from the research institute for Marine Geodynamics in Japan believe that the seismic waves show that the underground water 6-12 miles, depth below the small surface.
Seis was the first seismometer that operated on Mars, and was sensitive to three different types of seismic waves that come from Marsquakes. These were: P waves that spread like a sound wave; S-waves that fluctuate perpendicular to the direction of travel; And surface waves that hike along the surface of Mars like waves in a pond.
The new research focused on the underground P waves and S waves. P waves are the faster seismic waves, while S waves are slower and cannot drive through water, since liquid does not allow this type of vibration perpendicular to the movement. Seismometers, which measure these two different types of seismic waves, can help recognize the density and composition of the underground medium (such as water or rocks) through which these waves traveled, based on how strong their signals are and how long they reach the seismometer.
In this sense, Katayama and Akamatsu have recorded two transitional regions in the seismic data, in which there seem to be apparently sudden changes in the properties of the interior of the red planet in depths from 6.2 to 12.4 miles (10 and 20 kilometers), very close to the place where earlier studies have found evidence of fluid water.
This knowledge is good news/bad news for those who want to colonize the Mars.
The good news is that there is potentially available water on the planet that can be broken down and recycled for use. As with groundwater on earth, the Mars water lies in cracks and crevices.
https://www.youtube.com/watch?v=0cueumuxrvu
The bad news is that there is a potential for microbial life in this water.
On earth, these rocks filled with water can align microbes, even if they are buried deep in the crust, said Michael Manga, study author and professor of planetary geology at the University of California in Berkeley. Does this mean that Mars could also house microbes underground because liquid water is one of the basic requirements for life?
“That is the question of the bacillion dollar question,” added Manga.
And such a life would challenge the calculations and decisions related to the research and settlement of Mars.
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