How are we sure that speed of light and other basic constants are really constants on a large cosmological scale of time and space? Submitted by The_Dark_Passenger93 t3_zckx8p on December 4, 2022 at 8:39 PM in askscience 44 comments 66
[deleted] t1_iz07zuv wrote on December 5, 2022 at 2:45 PM Reply to comment by TitusRex in How are we sure that speed of light and other basic constants are really constants on a large cosmological scale of time and space? by The_Dark_Passenger93 [removed] Permalink Parent 1
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