Scientists have claimed that energy is not required to produce glycine, an important component of life, and that they can be formed before stars or planets are formed. In a study published in the journal Nature Astronomy, glycine was found in Comet 67P / Churyumov-Gerasimenko. Their presence was also seen in samples brought to Earth from NASA’s Stardust mission. Through this mission, for the first time any material outside the Moon’s orbit was brought to Earth. Researchers from the Queen Mary University in London (UK) also participated in this study.
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According to researchers, comets are the first old celestial bodies of the solar system and give information about the presence of molecular structure just before the formation of sun and planets. Until now, scientists believed that amino acids such as glycine require energy to produce, but new study results suggest that these components needed for life may have formed much earlier than stars.
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Researchers showed that glycine can also be formed on the surface of Dhemketu’s icy dust in the absence of energy through ‘dark chemistry’. “Dark chemistry means – energetic,” said study author Sergio Loppolo from Queen Mary University. Chemistry without the need for radiation. “This finding falsifies earlier studies that said ultraviolet (UV) radiation was required to produce this molecule.
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