Caltech Astro, Richard Ellis, a dense region will have nonlinear gravitational potential redshift as large or larger than velocity potential effects
Caltech Astro: The Quest for Cosmic Dawn – Richard Ellis – 04/14/2023 at https://www.youtube.com/watch?v=HQNbFcweWus Richard Ellis, A lot of those early galaxies have much higher gravitational potentials. And the gravitational redshift larger. Even the redshift from the earth can be measured. If the universe truly expanded from some higher density region, the earliest would have central
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