In the atmosphere of the Venus, where concentrated sulfuric acid clouds are severe, it may be a molecule that resembles DNA and can potentially play the role of a “life carrier” – Scientists from Poland, Great Britain and the United States have come to this conclusion. Peptitis nucleic acid (PNA), a structural relative of DNA, is stable in 98% sulfuric acid solution for two weeks at room temperature. Published in İş Magazine Science progress.
Contrary to water -dependent worldly life, the alleged Venus form can use it as an aggressive acid as a solvent.
The leading author of the study was from Wroclaw Polytechnic University. “Concentrated sulfuric acid is assumed to kill all organics. However, we have proved that this is not completely true, Sün
The idea that life could exist in such extreme conditions was discussed by scientists after the discovery of phosphine and ammonia in the Venus atmosphere, which was previously associated with biological activity in Earth. The new study deepens these assumptions and offers a molecular basis in which a different way of life can be built.
“PNA, a molecule similar to DNA, is really surprising if he can survive under these circumstances, Dr. William Bines, Dr. William Bines. “This can be the key to understanding how life in the other corners of the universe can look.”
However, researchers: at a temperature above 50 ° C PNA is already undecided. And the temperature in the Venus clouds varies between 0 ° C and 100 ° C. The next purpose of scientists is to create a polymer that is resistant to acid and plays the role of DNA for extraterrestrial life in this range.
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Source: Gazeta
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