Scientists: Traces of life on Mars could have been destroyed by acid

Scientists: Traces of life on Mars could have been destroyed by acid

A group of researchers from the Spanish Center for Astrobiology and Cornell University (USA) carried out detailed simulations using amino acids and clay masses, which made it possible to draw disappointing conclusions about the prospects for finding traces of life on the surface of Mars. According to experts, the last traces of biological life on the Red Planet could be destroyed by acid.

Scientists: Traces of life on Mars could have been destroyed by acid

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According to the authors of the study, in the distant past, acid masses could have affected the Martian soil. In ancient times, scientists suggest, certain fluids may have flowed on the surface of Mars, capable of destroying any evidence that life previously existed on the planet. According to experts, clay can reliably protect the organic material in its composition, but the presence of acid deprives it of this opportunity.

Inside the clay, on the surface of Mars, there can be layers of matter that hide important biomarkers, such as nucleic acids, lipids, peptides and other biological polymers, that can persist over a very long period of time. However, if the soil was exposed to acids, it was deprived of the ability to preserve all these traces, which would not allow proving the existence of life on Mars, even if it existed, in ancient times, American and Spanish astrobiologists emphasize.

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