[ExI] Could the Universe Be Finite?

[Keith Henson]

Finite or infinite, I can't see any practical application

Keith

On Sat, Dec 16, 2023 at 8:45 AM Jason Resch via extropy-chat
<extropy-chat at lists.extropy.org> wrote:
>
>
>
> On Sat, Dec 16, 2023, 6:41 AM BillK via extropy-chat <extropy-chat at lists.extropy.org> wrote:
>>
>> It’s not absurd to think the universe might have an edge.
>> By Eric Schwitzgebel & Jacob Barandes    December 15, 2023
>>
>> On recent estimates, the observable universe—the portion of the
>> universe that we can detect through our telescopes—extends about 47
>> billion light-years in every direction. But the limit of what we can
>> see is one thing, and the limit of what exists is quite another.
>>
>> <https://nautil.us/could-the-universe-be-finite-466593/>
>> Quote:
>> Leading cosmologists, including Alex Vilenkin, Max Tegmark, and Andrei
>> Linde, have argued that spatial infinitude is the natural consequence
>> of the best current theories of cosmic inflation. Given that, plus the
>> absence of evidence for an edge or closed topology, infinitude seems a
>> reasonable default view. The mere 47 billion light-years we can see is
>> the tiniest speck of a smidgen of a drop in an endless expanse.
>
>
> Here is a good explanation of how the universe can be spatially infinite when seen from inside a finite bubble created by inflation:
>
> https://youtu.be/rfeJhzPq3jQ
>
> Jason
>
>
>> --------------
>>
>> BillK
>>
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