On 2/25/2025 3:48 PM, Alan Grayson wrote:


On Tuesday, February 25, 2025 at 12:46:46 PM UTC-7 Brent Meeker wrote:

    I think all cosmologist, like Hartle, recognize that /the
    *observable* universe/ was much smaller in the past.  Which is
    perfectly compatible with /the universe/ be spacially flat and
    infinite.

    Brent


I fully anticipated that response. But why would the observable universe behave radically different from the entire principle, particularly in light of the Cosmological Principle? AG
It's not radically different.  It's different in exactly the way that finite subsets of infinite sets behave.

Brent

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