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ChaoticSalvation t1_j2b53ws wrote

Reply to comment by cdstephens in has the speed of light always been constant? by 2bornnot2b

We do have very good evidence that energy conservation is false as it is widely accepted that we describe the universe roughly with a FRW metric that explicitly breaks time translational symmetry.

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cdstephens t1_j2b8s3d wrote

That’s fair, cosmology and general relativity is a notable exception to all of this.

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