3 ms·

One may also read https://phys.org/news/2023-09-case-small-universe.html https://phys.org/news/2023-09-case-small-universe.html to get an overview of what the m

• zuminator 3y ago
  Nice summary, although it has a rather glaring "thinko" in an early paragraph, where it points out that, because of the age of the visible universe being around 13 billion years, a naive calculation of the universe's diameter would be 26 billion light years across, but that because of cosmic inflation, it's "46 billion light years across [sic]." That should be ~46 bly in radius, in other words, ~93 bly across.