with how light works and the constant expansion of what we term the “observable universe” why don’t we constantly see new stars appearing in the night sky as the observable part expands and stars/galaxies light reaches us for the first time?
The night sky has stayed relatively the same (accounting for changing postions over time, stella phenom, supernovas etc.) for all of humans written history.
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The expansion of the universe takes distant galaxies away from us at faster than the speed of light, so they never enter the observable universe .
If you keep walking down a road will you eventually see that truck that passed you 20 minutes ago? (If it didn’t stop)
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