Eternal universe (split from Universe expanding...)

[Airbrush]

But if the big bang is not infinite in size, then it has a finite size, and even if expanding at a mind-boggling rate with an irregular shape, a center of mass could theoretically be determined.  The universe, or multiverse, could be more than a single big bang.

Edited February 17, 2021 by Airbrush

[StringJunky]

1 minute ago, Airbrush said:

But if the big bang is not infinite in size, then it has a finite size, and even if expanding at a mind-boggling rate with an irregular shape, a center of expansion could theoretically be determined.  The universe, or multiverse, could be more than a single big bang.

 This is not the speculation section

[Airbrush]

1 minute ago, StringJunky said:

 This is not the speculation section

Assuming the big bang that we can observe is infinite in size, and is the entire universe, is also speculation.

Edited February 17, 2021 by Airbrush

[StringJunky]

3 minutes ago, Airbrush said:

Assuming the big bang is infinite in size, and is the entire universe, is also speculation.

One is based on consensus of many learned minds, with much math and observation, and the other is a WAG from yourself. You know the forum rules on posting in the proper science sections.

Edited February 17, 2021 by StringJunky

[Airbrush]

7 minutes ago, StringJunky said:

One is based on consensus of many learned minds and the other is a guess from yourself.

So the consensus is that the big bang is infinite in size?  Have you ever heard of "eternal inflation"?  There is no telling where is expanding from where.  One expansion (big bang) could crash into another.  All that learned minds know is that our observable universe is expanding in every direction.

"According to eternal inflation, the inflationary phase of the universe's expansion lasts forever throughout most of the universe. Because the regions expand exponentially rapidly, most of the volume of the universe at any given time is inflating. Eternal inflation, therefore, produces a hypothetically infinite multiverse, in which only an insignificant fractal volume ends inflation."

Eternal inflation - Wikipedia

Edited February 17, 2021 by Airbrush

[swansont]

!

Moderator Note

"Eternal inflation is a hypothetical inflationary universe model"

https://en.wikipedia.org/wiki/Eternal_inflation

IOW, not suited for replies in mainstream science. You can, however, discuss its merits and drawbacks here in this thread.