It is known that the ozone layer, gases and the presence of water and photosynthetic organisms are fundamental for the existence and maintenance of life on Earth. Earth. However, what researchers at Purdue University have discovered is that sea salt can have a significant influence on habitability, whether on Earth or on other planets. Discover now How salt could support extraterrestrial life.
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Sea salt and extraterrestrial life
Researchers performed comparisons between the climates of the planets and amounts of salt dissolved in sea water with the in order to predict whether saltier oceans are related to warmer climates, thus favoring the emergence of life. In this way, ocean salinity could favor the existence of life, either on Earth or on other planets.
primitive earth
According to a study funded by NASA Habitable Worlds and the NASA Interdisciplinary Consortia for Astrobiology Research, the salinity of the seas and oceans on early Earth may have been critical to the survival of many species, especially when insolation rates were minors.
Why is ocean and sea water salty?
The salts in the Earth's seas and oceans have several sources. First, they may be the result of erosion of crustal rocks. These rock particles, rich in metals that react with other elements and form salts, are dragged by wind and rivers to the oceans.
Volcanic eruptions also release gases such as carbon dioxide, chlorine and sulfates, which can precipitate into the ocean and form salts. Furthermore, in volcanic processes that occur on sea floors, it is possible that juvenile water – water that was in the innermost layers of the Earth – come to emerge with its chlorides, iodides, sulfates etc. Thus, marine salinity is increased.