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  2. Here’s why the universe has more matter than antimatter - AOL

    www.aol.com/why-universe-more-matter-antimatter...

    All the particles that make up the matter around us, such electrons and protons, have antimatter versions which are nearly identical, but with mirrored properties such as the opposite electric charge.

  3. Antimatter - Wikipedia

    en.wikipedia.org/wiki/Antimatter

    Antimatter may exist in relatively large amounts in far-away galaxies due to cosmic inflation in the primordial time of the universe. Antimatter galaxies, if they exist, are expected to have the same chemistry and absorption and emission spectra as normal-matter galaxies, and their astronomical objects would be observationally identical, making ...

  4. Baryon asymmetry - Wikipedia

    en.wikipedia.org/wiki/Baryon_asymmetry

    In physical cosmology, the baryon asymmetry problem, also known as the matter asymmetry problem or the matter–antimatter asymmetry problem, [1] [2] is the observed imbalance in baryonic matter (the type of matter experienced in everyday life) and antibaryonic matter in the observable universe.

  5. Universe - Wikipedia

    en.wikipedia.org/wiki/Universe

    The physical universe is defined as all of space and time [a] (collectively referred to as spacetime) and their contents. [10] Such contents comprise all of energy in its various forms, including electromagnetic radiation and matter, and therefore planets, moons, stars, galaxies, and the contents of intergalactic space.

  6. Sun - Wikipedia

    en.wikipedia.org/wiki/Sun

    The Sun is classed as a G2 star, [66] meaning it is a G-type star, with 2 indicating its surface temperature is in the second range of the G class. The solar constant is the amount of power that the Sun deposits per unit area that is directly exposed to sunlight.

  7. Baryogenesis - Wikipedia

    en.wikipedia.org/wiki/Baryogenesis

    In physical cosmology, baryogenesis (also known as baryosynthesis [1] [2]) is the physical process that is hypothesized to have taken place during the early universe to produce baryonic asymmetry, i.e. the imbalance of matter and antimatter (antibaryons) in the observed universe.

  8. Discovery and exploration of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Discovery_and_exploration...

    The realisation that the Sun is a star led to a scientifically updated hypothesis that other stars could have planetary systems of their own, though this was not to be proven for nearly 140 years. Observational cosmology began with attempts by William Herschel to describe the shape of the then known universe.

  9. Right again, Einstein! Study shows how antimatter ... - AOL

    www.aol.com/news/again-einstein-study-shows...

    In the world of "Star Trek," the starship Enterprise zips through space using a warp drive that harnesses antimatter. But scientists are making important strides toward better understanding ...

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