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Hi Alex.
I must say that you provoked me to replay with my philosophical concept of universe, gravity and of everything. No, it is not 42, even if it could be. I remember until today one summer night, school holiday’s vacation in my great grandmother place in the mountains. We lay in the grass with my older cousin watched the stars trying to find Polaris. We started talking about the stars, time and infinity. I was awed by the immensity of such a concepts and that night I could not sleep. I was eight years old then. That was over 50 years ago. Since that time whenever I had opportunity and the time I read whatever I could lay my hands on about cosmology and universe. As the articles about Cosmology, Physics and Astronomy changed over the time, constantly contradicting one finding or other I have to make some sense of it for myself. I based my view of the Universe on what I learn from reading and other media and on my own experiences and observations of the world around me.
I personally think that, if the Big Bang theory is correct, our Universe began with
Black hole. Somewhere in other Universe extremely large Black hole (due to some catastrophic event like collision of two super galaxies) was formed. It was so massive that it kept collapsing to real singularity – point in the space. At some stage it become too small and too massive to exist in its universe. It disappears from its universe. If something that exists in one place that exists, disappears, it leads to conclusion that it went to some other place that also exists. I would call it zero-dimensional space. It is not space as such; it is a possibility that surrounds space or universe. It is this zero-space possibility that allows the Universe to exist. It is the possibility that allows an object that can not exist in its universe, due to being too small and too massive, to exist somewhere else. When the singularity appeared in zero-space it had to create space for itself, loosing some energy in the process. At this point time has begin (the time is just a property of the space). It was naked singularity as at this point there was not space for event horizon. Very strong gravitational would field surrounded this singularity. We have to consider two possibilities. Either gravity can propagate via zero-space or it can convert zero-space to the space. In any case the singularity having lost some of its mass in the process creating space for itself started to expand. Similar to supernova explosion, but immensely more powerful. Some of the energy of that explosion (shock wave) would rapidly create more of space.
Assuming this scenario we have to come to some conclusions.
Matter, Energy and Space are just different states of same thing.
Our Universe is finite as it comes from finite source.
As our Universe comes from somewhere we are not completely discontinued from that place/time and can have knowledge of it.
The shape of our Universe is spherical. Original singularity would be most likely spherical as all object under influence of gravity assume spherical shape. Explosion of spherical object without any external influences will produce spherical cloud of expanding gas (or particles). Knowledge gained from the experiments I done with dynamite when I was mining for opals and copper. Just look at the fire works.
Dark matter is most likely the space itself. Some of the original energy was used in creating space.
Speed of the light is not limiting factor in the Universe. For the Universe to be as big as it is the original expansion had to be faster then light.
To have better understanding of the Universe we need to adopt concepts as Centre of Universe (point where the original singularity was) and Real time (time measurement beginning from the start of our Universe). That is how far is an object from the Centre of Universe and for how long it has existed since beginning of Universe.
If the acceleration of Universe expansion is correct and if the gravity can propagate via zero-space it is possible that our Universe is getting close to other one and its gravity is acting on our Universe.
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