Despite the fact that to date, scientists have been able to detect over 4000 exoplanets, the Earth is still the only known place where life exists in the Universe. Life on Earth exists in different forms: from the ubiquitous micro-organisms to higher animals and humans, even able to influence the planet’s climate. Anyway, the Solar system offers many potential options which could form biological life. As the portal phys.orgone of these places was our neighbor Mars, in the distant past, owned vast and rich minerals of the oceans and seas.
What were oceans on Mars?
Red planet Mars — the closest planet to Earth after Venus. Due to the fact that under the thick atmosphere of the“morning star” is hiding the prototype of the biblical hell, Mars was and remains the most appropriate place to build the first extraterrestrial colony of mankind. So, the planet is located relatively close to the Ground, parts of its surface can be easily observed even in a small telescope because of the lack of Mars a dense atmosphere, and the temperature and pressure of the surface of the red planet indicate the presence of liquid water, essential to human existence. Research dried river deltas and ancient lakes show that Mars indeed once had flowing water and oceans could Harbor life. In order to find the answer to the question of whether life beyond Earth, scientists decided to analyze the types of chemistry of the ancient Martian water, which could be rich in salts and minerals, similar to those that occur on the blue planet.
See also: NASA has revealed a new panorama of Mars
As you know, one of the clay minerals, smectite, can detect ions in water by ion exchange. So, even after the loss of water, smectite retains the ionic compounds within their inner layers. It is known that salinity, pH and the presence in water of certain gases are the fundamental properties of natural waters. Recent measurements on Mars indicate that its pristine environment could give the key to understanding the early habitability of the red planet. In particular, the analysis of the properties of water in the sediments of Gale crater suggests that they could be formed in the presence of a large number of liquid water similar to the earth’s liquid characteristics.
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Due to the fact that one key in the history of the planet the moment all the liquid on Mars began to evaporate, rising salinity levels in the oceans has provided the local fluid persistent smell of hydrogen sulfide and a bitter taste of water. These features limit the diversity of life forms, potentially inhabited ancient Martian lake, but do not destroy them completely. As you know, on Earth there is a huge variety of billions of life forms, so the theory that Mars could be alien life, is quite convincing. However, this raises a puzzle: why have we still not found any significant evidence of ancient habitability of the red planet?