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Aseyhe t1_jb46ate wrote on March 6, 2023 at 8:10 AM

Reply to comment by PvtDeth in Does the age of the universe depends on where you are? by _bidooflr_

It's only isotropic (the same in every direction) if you're in the CMB rest frame. Otherwise, due to the Doppler effect, one direction will be blueshifted and the other redshifted.