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dulce_3t_decorum_3st t1_j8w2ca1 wrote on February 17, 2023 at 10:40 AM

Reply to comment by Negative-Fan8460 in Shouldn't the universe be a hollow sphere ? by Negative-Fan8460

The short answer is, we don’t know.

I highly recommend you watch this lecture by Lawrence Krauss, “A Universe From Nothing”