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Scientists have discovered a strange structure resembling microbial cell inside the Martian meteorite, but they do not claim to be this indicates the presence of life on Mars.
Researchers have discovered a microscopic oval structure in Nakhla Martian meteorite that fell to Earth in Egypt in 1911 year. While the appearance of this structure is intriguing, she, most likely formed as a result of geological rather than biological processes, team members say.
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“Consideration of possible biotic scenarios of origin egg structure in Nakhl is currently impossible due to lack of conclusive evidence, “scientists write in a new a study published this month in the journal Astrobiology. “Thus, based on the available data that we have received about the nature of this ovoid structure in Nakhla, we conclude that the most reasonable explanation for its origin is that it was formed through abiotic processes. ”
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The structure is about 80 microns long and 60 microns wide, researchers say that much more than most ground bacteria, but within normal limits for eukaryotic microorganisms Earth (unicellular organisms that possess a core and organelles). The research team is confident that the object is native to the sample, not the result of terrestrial pollution.
Scientists have studied structure using a number of different methods, including including electron microscopy, x-ray analysis and mass spectrometry. This study found that oval the structure consists of iron-rich clay and contains a number of other mineral.
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