ELI5, is it theoretically possible to have a particle is big enough to behave like a planet? I’m using planet as a device to act as the counter to the particle behavior because I don’t know them correct term.
Is there a mass or property that is the teetering point between acting like a planet vs a particle? If we find a particle with a massive mass, would it be possible that it might act like a planet.
I’m guessing I’m missing a key piece of understanding….
In: Physics
Now, things like an atomic nucleus can be classified as a *composite particle*, as in the table at the bottom chart on this page: https://en.wikipedia.org/wiki/Atomic_nucleus
It’s all about the semantics.
If you really want to you could say that a [neutron star](https://en.wikipedia.org/wiki/Neutron_star) is technically just a collection of many neutrons, held together by gravity, in a ball around 10 km across, at the density of atomic nuclei.
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