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HPsquared
on March 1, 2024
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How does the sky turn dark at night?
The observable universe is finite because the light started at some point in time (and the corresponding distance in light years).
It says less about the size of the universe, than its age.
marcosdumay
on March 1, 2024
[–]
It also talks about red-shift. Olbers couldn't know that, but even if our universe was here forever we still wouldn't have a lit night sky.
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It says less about the size of the universe, than its age.