ELi5 If the universe is expanding, what is it expanding into? Submitted by cashmoneyhash t3_12776bk on March 31, 2023 at 2:26 AM in explainlikeimfive 57 comments 20
mfb- t1_jedt2t4 wrote on March 31, 2023 at 8:17 AM Reply to comment by xnyer in ELi5 If the universe is expanding, what is it expanding into? by cashmoneyhash > The universe is already infinite We don't know if it is. Permalink Parent 2
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