Washington: Acidic fluids flowing on the surface of Mars have destroyed evidence of life hidden in iron rich soil. This is to say the researchers of Cornell University and Spain's Centro de Astrobiologia. Researchers have simulated soil and amino acids to explore the possibility of life on Mars. His 'Constraining the Preservation of Organic Compounds in Mars Analog Nontronites After Exposure to Acid and Alkaline Fluids' paper was published in the Nature Scientific Report on 15 September.
Alberto G. Fearn, visiting scientist at the Department of Astronomy at the College of Arts and Sciences at Cornell, is an author of this paper.
Let us know that the Perseverance Rover launched by NASA on July 30 will land in the Jezero Crater of Mars in February next year. At the same time, the European Space Agency's Rosalind Franklin Rover will be launched in the end of 2022.
This is not easy
The Perseverance Mission will collect soil samples of Mars and send them to Earth by 2030. While the rover sent from the European Space Agency will drill on the surface of Mars, collect soil samples and analyze them.
Collecting soil samples in search of life on Mars is always the main goal as the soil surface preserves the molecular organic matter within and can only confirm the evidence of life there. However, the presence of acid on its surface in the past has erased evidence of life from the soil.
Feyren said, 'We know that the first acidic fluids have flowed on the surface of Mars, which has brought changes in the ability of the soil to protect the organisms.'
He further stated that the internal structure of the soil is in layers where evidence of biological life – such as lipids, nucleic acids, peptides and other biopolymers, etc., can be trapped and preserved.
Researchers in the laboratory created planet-like conditions in which they came into contact with acidic fluids to preserve an amino acid called glycine in the soil of Mars.
He said, “We used glycine because it can degrade rapidly under the environmental conditions of the planet.”
He further said, 'When the soil comes in contact with acidic liquids, its layers collapse and the organic matter is not preserved. The results of our paper show how difficult it is to find organic compounds or life on Mars.