Beware what a study says about the alleged fossils on Mars
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https://br.sputniknews.com/20211120/cuidado-com-o-que-encontram-em-marte-diz-estudo-sobre-supostas-descobertas-de-fosseis-19836404.html
Beware what a study says about the alleged fossils on Mars
Beware what a study says about the alleged fossils on Mars
Many researchers have announced the discoveries of possible organisms on the Red Planet, but two scientists have warned of the natural processes that create … 20.11.2021, Sputnik Brasil
2021-11-20 T01: 37-0300
2021-11-20 T01: 37-0300
2021-11-20 T01: 37-0300
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It is necessary to be vigilant about the supposed fossils found on the surface of Mars, scientists warned in a statement published on Thursday (18) by the University of Edinburgh, Scotland, UK. According to researchers Sean McMahon, an astrobiologist at the University of Edinburgh, and Julie Cosmides, a geologist at the University of Oxford, UK, scientists will have to look more closely at non-biological mineral deposits that closely resemble fossils, as in the case of the American Perseverance Rover or Chang’ e China 5. Examples of these phenomena include processes associated with the collapse and deposition of sedimentary layers, which can produce rocks with strong visual similarities to fossils. Fossils can also be created in a “chemical garden,” where the constant mixing of chemicals can produce structures that resemble biological ones. The same can happen with many minerals, which can create biological forms, which look like biological fossils. Claims for discovering fossils can arise from patterns and holes in rocks created by living things. Society, there must be many other processes that can produce pseudofossils, which is why scientists will have to be careful about what they have discovered on the Red Planet, which has been the focus of many research aimed at finding life. “On many occasions, organisms resembling fossilized microbes have been described in ancient rocks on Earth and even in meteorites on Mars, close examination has shown that their non-biological origins are from Mars, so we can avoid falling into the same traps,” Cosmides suggested. Repeatedly.
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Several researchers have announced the discoveries of possible organisms on the Red Planet, but two scientists have warned of the natural processes that create false fossils.
“At some point, the Mars probe will encounter something very similar to a fossil, so being able to tell it from structures and chemicals from chemical reactions is vital. For every type of fossil out there, at least one non-biological process creates similar things,” McMahon explained. very much, so there is a real need to improve our understanding of how they are formed.
Examples of these phenomena include physical processes associated with the collapse and deposition of sedimentary layers, which can Produces rocks that have a strong visual similarity to fossils. Fossils can also be created in a “chemical garden,” where the constant mixing of chemicals can produce structures that resemble biological ones. The same can happen with many minerals, which can create biological forms, which look like biological fossils.
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