From forming bound states to normal scattering, many possibilities abound for matter-antimatter interactions. So why do they annihilate? There’s a quantum reason we simply can’t avoid.

  • barsquid@lemmy.world
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    7 months ago

    Don’t colliding galaxies mostly not actually touch? I thought there’s so much space between everything it’s almost entirely gravitational interactions. I’d assume almost no huge annihilation events from that, or extremely low frequency.

    • slurp
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      6 months ago

      The stars and planets, yes, but there is a lot of very diffuse gas that does collide