Where do photons go if they've been emitted but are destined to never be absorbed, and would these photons traveling ad infinitum define the edge of the universe (even if space itself were still larger)? Submitted by mysteryofthefieryeye t3_11ub11d on March 18, 2023 at 1:45 AM in space 55 comments 27
ZealousidealClub4119 t1_jcngki0 wrote on March 18, 2023 at 2:41 AM Reply to comment by jmarkmorris in Where do photons go if they've been emitted but are destined to never be absorbed, and would these photons traveling ad infinitum define the edge of the universe (even if space itself were still larger)? by mysteryofthefieryeye https://en.m.wikipedia.org/wiki/Cosmological_horizon Permalink Parent 1
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