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
Brhall001 t1_jeczmi2 wrote on March 31, 2023 at 2:45 AM Reply to comment by ForestCityWRX in ELi5 If the universe is expanding, what is it expanding into? by cashmoneyhash No one really knows. Permalink Parent 3
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