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What about the cosmological horizon( which is also an event horizon)? Is a cosmological horizon's geometric center a singularity?

I can imagine that an electron has a cosmological horizon. Yet an electron is pointlike, with mass/energy, so it somewhat seems like a singularity of sorts.

Even if a cosmological horizon has at it's geometric center empty space, it has energy/momentum/something in it's field, located at that infintesimal point(which is probably a singularity since a point is lower than plank length).