Like what if I’m in space?

  • A_A@lemmy.world
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    11 months ago

    The up quark or u quark (symbol: u) is the lightest of all quarks, a type of elementary particle, and a significant constituent of matter. It, along with the down quark, forms the neutrons (one up quark, two down quarks) and protons …
    https://en.m.wikipedia.org/wiki/Up_quark