• i_love_FFT
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    1 year ago

    Yeah! I think this kind of question will end up being a question of definition for future generation of cosmologists…

    With the current definition, it seems the universe is not a black hole, but shares a lot of characteristics with them (except its singularity is in the past, but the future). If enough scientists like the idea of the universe being a black hole, they could simply modify the definition to allow “time-reversed black holes” as well, which seems to include the universe (if I understand correctly… My GR courses a far I’m my memory!)