| The Pulsating Universe |
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If left to choose between being reborn either on one of the parallel "Many Worlds" or after the n-th cycle of a "Big Bang/Big Crunch" sequence, I would prefer the latter.
Let us assume that the universe is a four-dimensional
analogue to the Möbius tape.
The arrow of time then takes us from t0
towards the horizon where reversal of space-time symmetry takes
place (matter to antimatter?).
The Big Bang/Big Crunch would repeat when, at the end of an elliptic contraction, gravity approaches infinity. Crossing of the horizon would then be at "half-time", provided there is enough mass to close the Universe.
A Flatlander would return to its point of origin with
changed "handedness".
In a higher-dimensional analogue to the band of Möbius,
could not matter become anti-matter at the time of reversal of
the expansion phase? Pulsation and periodicity seem to be
suggested by the two-dimensional analogue. At which point in the
elliptic expansion is NOW? If time is reversed at the horizon,
the future will become factual and the past possible. Will our
minds also be reversed, so that the arrow of time, pointing to
the Big Crunch, again means the future to us?
When will galaxies approach each other coming from the
"other side"?
What happens to the second law of thermodynamics at half-time?
Looking at a galaxy, say 10 million light years away,
we see it as it was ten million years ago.
As spacetime geometry was different at that time so close to the
Big Bang, what does that fact mean in our measuring distance in
order to determine the fate of the Universe?
As the most distant galaxies and stars were much closer to us when their light went on its way, why to we not see them larger than closer objects?
As we look deeper into space towards the cosmic
horizon, we observe increasing redshift. Escape velocity
approaches v=c and the farthest objects are no longer visible.
If they were, would we then be able to see creation, to see the
Big Bang?
Could the pulsating, closed Universe be at the root of phenomena like "déjà vu", "re-incarnation" and "prerecognition"?
Infinity in nature can only exist in the sense of
"boundlessness" as in a Universe curved in itself. The
total number of particles in the cosmos is 
.
Looking into ever greater distances, thus into an ever remoter past, the objects we see must also be of ever closer proximity relative to each other because the scale at these distances is from a time when the Universe was much smaller. At the time immediately following transparency, the Universe must have been really bright indeed. So why is there an Olbers phenomenon?
In the famous three-dimensional balloon analogue to
the expanding Universe, distances between dots increase during
inflation. But if distances increase, so do the dots themselves!
Does that mean that in the four-dimensional analogy galaxies,
stars, planets, ourselves and even atoms (or space between the
nuclei and the electrons) are expanding?
Is the expansion of the Universe a function of time or, is it time itself?
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