Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.

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Is the universe expanding or are we shrinking? (self.showerthoughts)

submitted 1 month ago by Clinicallydepressedpoochie to c/showerthoughts

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[–] scarabic 1 points 1 month ago (1 children)

Not that I’m an expert on these things but don’t we have a limit on smallness, the Planck length, but not necessarily any limit on how far apart two objects can be? Things moving away via the expansion of spacetime would be able to continue unbounded, but shrinking not so - not without the laws of physics becoming meaningless.

You can still say that spacetime expanding is the same as us shrinking but then you’re just into semantics and sure, you can call things whatever you like.

[–] Clinicallydepressedpoochie 1 points 1 month ago

I don't know I'm just entertaining the idea.