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Thread: Does the organic material of comets predate our solar system?

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    Does the organic material of comets predate our solar system?

    Does the organic material of comets predate our solar system?

    "The Rosetta space probe discovered a large amount of organic material in the nucleus of comet 'Chury.' Researchers now advance the theory that this matter has its origin in interstellar space and predates the birth of the solar system."

    "Thus, the organic molecules that formerly populated the primitive nebulae -- and that are responsible for DIBs -- were probably not destroyed, but instead incorporated into the grains making up cometary nuclei. And there they have remained for 4.6 billion years. A sample-return mission would allow laboratory analysis of cometary organic material and finally reveal the identity of the mysterious interstellar matter underlying observed absorption lines in stellar spectra.

    If cometary organic molecules were indeed produced in interstellar space -- and if they played a role in the emergence of life on our planet, as scientists believe today -- might they not also have seeded life on many other planets of our galaxy?"

    Journal Reference:

    Jean-Loup Bertaux, Rosine Lallement. Diffuse Interstellar Bands carriers and cometary organic material.. Monthly Notices of the Royal Astronomical Society, 2017; DOI: 10.1093/mnras/stx2231

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