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ExtremeQuality1682 OP t1_ja4cbap wrote on February 26, 2023 at 7:19 PM

Reply to comment by Mammoth-Mud-9609 in Eli5 Help, please my brain hurts. If there is an expanding ring of light from the big bang, what is outside it? by ExtremeQuality1682

Yeah, what he was describing was what got me down the rabbit hole. We can never know if ours is the only big bang. Not that we can theoretically never know. We literally can never know.