1 HN user recommended this explainer1 month2022–2023score 1
Years with an HN recommendation, 2007–2026
Pointed to as a clear treatment of the universe-in-a-black-hole idea whenever black hole cosmology comes up.
A PBS Space Time episode asking whether our universe could sit inside a black hole. It covers what physicists think happens inside black holes and the arguments for and against this idea.
“was a huge relief and interesting dive into the q” (HN, 2022)
@PBSSpaceTime videos: "Where Is The Center of The Universe?" (2022) [link] "Could The Universe Be Inside A Black Hole?" (2022) [this video] "The Holographic Universe Explained" (2019) [link] "Are Black Holes Actually Fuzzballs?" (2022) [link]
One of several PBS Space Time videos listed on related topics.
PBS Spacetime covered this topic: [this video] Basically, with our current understanding, the only thing that makes the big bang and black holes seem connected is that they're both singularities. But, there's no explanatory value associated with the idea of the universe being the inside of a black hole, and thus there's no way to attempt to test it.
Covers why the universe-in-a-black-hole idea lacks explanatory value.
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