On 2/12/2025 12:55 AM, Alan Grayson wrote:
If the age of the universe is finite, which is generally believed,
then no matter how fast it expands, it can never become spatially
infinite, So,*IF* it is spatially infinite, this must have been its
initial condition at or around he time of the Big Bang (BB). But this
contradicts the assumption that it was at a super high temperature at
or around the time of the BB.
No it doesn't. I can be infinite and high temperature. What gave you
idea it couldn't?
IOW, if we run the clock backward, the universe seems to get
incredibly small,
If the universe is infinite, then it is only the Observable Universe
that gets incredibly small.
Brent
and for *this reason* incredibly hot, roughly analogous to a highly
compressed gas. Therefore, it cannot have a flat global geometry,
since such a geometry is infinite in spatial extent. QED. AG
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