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Article: Could Anti-Stars Explain Where All The Dark Matter Went?

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Silek, Mon 14 Jun, 2021 8:05 PM
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  1. FNS Commanding Officer

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    #1
  2. Simulation Officer

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    #2
    As i understand it, there shouldn't be any matter in the universe at all, as all particles are made in pairs, and they anhialate each other when they meet to be converted back into pure energy. The estemation i remember was that one in a billion particle pairs that was created resulted in a matter particle "Orphin" which accounts for all matter in the Universe today.

    That's also what scares me about the "anti-star" concept. In a universe filled with matter and dark matter, such a powerful object would be.... very energetic... when it meets matter, like interstellar dust perhaps.
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    #3
     –  Last edited by Silek; Wed 16 Jun, 2021 12:57 PM.
    I'm not familiar with the 'Orphan' concept, but keep in mind, anti-matter is observed on a regular basis. Positrons are considered anti-matter, as they are anti-electrons. These are regularly observed during thunderstorms. Anti particles are also given off at times through radioactive decay, and the LHC produces an observable environment on a consistent basis.

    It is generally accepted that during the Big Bang, matter and anti-matter were dispersed in equal, or mostly equal amounts. Physics goes on to predict something I haven't really looked into, called CP Symmetry. The only thing I know about CP Symmetry, is that the observable Universe doesn't do what it predicts, and the most likely answer is that the anti-matter is out there, unobservable. Where it is, or where it went is one of the fundamental mysteries of Physics.

    I had hoped to convey two points in the article.

    1. The existence of anti-stars could explain where all this anti-matter is hiding.

    2. This could also play into the amount of dark matter yet undetected predicted by gravity.

    When researching or looking things up, my syllabus is usually limited to the mainstream homogenized opinions, lol. I love seeing different approaches and insights into what is mostly a fairly theoretical field.
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    #4
    The most concise description of the matter antimatter imbalance problem i could find is this one:
    Abstract
    The matter-antimatter asymmetry problem, corresponding to the virtual nonexistence of antimatter in the universe, is one of the greatest mysteries of cosmology. According to the prevailing cosmological model, the universe was created
    in the so-called “Big Bang” from pure energy and it is generally considered
    that the Big Bang and its aftermath produced equal numbers of particles and
    antiparticles, although the universe today appears to consist almost entirely
    of matter rather than antimatter. This constitutes the matter-antimatter asymmetry problem: where have all the antiparticles gone? Within the framework
    of the Generation Model (GM) of particle physics, it is demonstrated that the
    asymmetry problem may be understood in terms of the composite leptons and
    quarks of the GM. It is concluded that there is essentially no matter-antimatter
    asymmetry in the present universe and that the observed hydrogen-antihydrogen
    asymmetry may be understood in terms of statistical fluctuations associated
    with the complex many-body processes involved in the formation of either a
    hydrogen atom or an antihydrogen atom.

    source:
    Robson, B.A.
    (201Cool The Matter-Antimatter Asymmetry
    Problem. Journal of High Energy Physics,
    Gravitation and Cosmology, 4, 166-178.
    https://doi.org/10.4236/jhepgc.2018.41015
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