Quote:
Originally Posted by Bjoern
Ever heard of simulations of large-scale structure formation? They use the math of GR (essentially a Friedmann-Lemaitre model, i. e. an expanding universe) and use this to study the formation of structure (mainly galaxy super clusters, filaments and voids, but there are also simulations for the formation of galaxy clusters, groups or even single galaxys) - i. e. they study "collapsing" matter in an expanding universe.
So your claim that no model incorporates this is obviously wrong - physicists have been doing such simulations for about 20 years now...
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Really? Then why did nobody see the accelerating expansion coming?
If Jupiter's orbit is contracting, then the orbit of some other planet(s)
must be expanding!!! (The duality.) Conservation of energy and angular momentum dictate this. Apply this principle to the universe at large, and the result is the same: if the universe is contracting locally everywhere, then some other parts (non-local)
must be expanding!!!
If duality were incorporated into mainstream models, the accelerating expansion would have been predicted; the mainstream would not have been caught by surprise.
Quote:
Originally Posted by Bjoern
Contrast these quantitative simulations with your entirely qualitative musings about "duality"...
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My point is, the mainstream model is all mathematical, but it leaves out duality. A math model which leaves out an essential feature does not count as "quantitative."
Quote:
Originally Posted by Bjoern
And another BTW, local contraction has precisely nil to do with dark energy...
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In your opinion.
Quote:
Originally Posted by Bjoern
...(local contraction) is a straightforward prediction of General Relativity / the Big Bang theory even if one does not include dark energy in it...
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No.
The prediction from GR is that space either contracts or expands. Predictions aside, it is observed to be doing both.