About the “apparent Universal expansion” appearing so uniform and unidirectional; I’m almost sure you understand that patches of space contain arenas and the content of matter and energy in a patch of space can be expanding until it overlaps, and then the content of matter and energy in the overlap change from “expansion” to collapse. The space is not expanding or contracting, it is the motion of the galaxies within those patches (arenas) of space....
Back to QWC, I don't understand how the apparent Universal expansion can appear to be so uniform and unidirectional with all of these intersecting arenas. Also, I have questions related to entropy but you mentioned that you were going to expand on that.
Think through the overlap of two expanding arenas from this perspective: The portion of the arenas that are not involved in the overlap just keep moving away from the overlap, while the portion that is included in the overlap has its momentum interrupted. In other words a significant portion of the galaxies in the parent arenas just keep moving away from the overlap.
That much I have said, but from there if you move your reference frame to within the overlap space here is what you will see if you have QWC vision :
You will see the galaxies that have been caught up in the overlap begin to experience a change in momentum, while the galaxies in the rest of the space that is occupied by the two intersecting arenas seem to be almost unaffected by the change in momentum and continue to move away. Those galaxies will continue to move away from the overlap space because they have not had their momentum sufficiently interrupted by the gravitational pull from the other arena.
Over time the overlap will encompass a greater and greater portion of the two arenas but the length of time for a crunch to form and burst ultimately determines the portions. Just have the idea that the crunch forms from a finite “arena quantum of energy” in the form of galactic mass and once the big crunch forms and bursts (it only needs this quantity of mass and energy to burst), there are still significant numbers of galaxies that were not yet pulled into the crunch and many of those are moving away and are now somewhere out there in the greater univese.
The galaxies in the overlap where our reference frame has taken up position will clearly be affected by the overlap. Whole galaxies will head toward each other and seemingly pass through each other, but there will be collisions of stars, gamma blasts will evidence that, and there will be significant merging and swirling of galaxies as the overlap progresses.
A big crunch forms from the mixing and mingling under the influence of gravity.
Time is a factor so let’s look at the physical movement of galaxies in the outside portion of the intersecting arenas relative to the movement of the galaxies caught up within the overlap at several time milestones:
Time 1, the intersection occurs at a point in space. All of the galaxies in both arenas are moving away from all of the other galaxies in their respective arenas as if each arena has its own co-moving coordinate system (which they do).
Time 2, the overlap has formed and progressed to the point where there is enough galactic material to provide the “arena quantum” of energy in the overlap, i.e. if this discrete amount of matter and energy enters the big crunch, then there will be sufficient energy density in the crunch to cause that crunch to fail and burst.
Time 3, the crunch has matured and reached the instant of the burst.
The portions of the two parent arenas that were not pulled into the crunch and that are still moving away from the crunch will keep going until they possibly get caught up in another overlap somewhere out in the landscape of the greater universe.
The portions of the two parents that have entered the crunch are gone, negated to dense state energy.
The “limbo portion” that may have been moving toward the crunch but didn’t make it in before the burst; well you don’t want to be them. They will be overtaken by the “arena wave” of energy from the big burst and depending on their momentum and proximity, they will be mere perturbations in the energy density of the newly formed and expanding arena.
You mentioned the great attractor within our own arena earlier; well that structure could be the result of the accretion disk of galactic mass that was incoming when our big crunch had its burst.
I’ve gone on about this; tell me if I have answered your question about the “apparent Universal expansion” appearing so uniform and unidirectional?
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