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this post was submitted on 31 Mar 2024
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Showerthoughts
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Didn’t we just get new evidence from JWST+Hubble that the universe may be as much as twice as old as we thought - or ~26bn years?
That relies on the "tired light" hypothesis being correct. It solves a number of problems, in a more elegant way. However, it also requires explanations for some new mismatches. E.g. why the cosmic background radiation doesn't seem to have aged the same way.
It's a theory that can't be immediately dismissed, which makes it interesting, but it's far from proven. Scientists can now look for details that would differ between the 2 models, and so help clarify what is happening.