[ExI] Interesting review of the Big Bang Theory creation of our Universe

[BillK]

10 incredible facts about the Big Bang Theory
It’s the origin of our entire observable Universe, but it’s still not
the very beginning of everything.
By Ethan Siegel   — September 11, 2025

<https://bigthink.com/starts-with-a-bang/10-facts-big-bang/>
Quote:
The Big Bang was a simple idea that goes back all the way to the
1920s: that the Universe is expanding and cooling now, and therefore,
was hotter and denser in the past.
Having made a series of successful predictions that no other theory
can match, it’s widely accepted as the origin story for our Universe.
But the Big Bang is so much more than that, and yet simultaneously
isn’t the very beginning of everything any longer.
Dive into these 10 facts you may not know about the Big Bang!
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BillK