Theory of the Universe - 14-Year-Old's Perspective

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A 14-year-old presents a theory suggesting that as dark matter and energy weaken, gravity will pull everything closer, leading to a repeat of the Big Bang. This cycle would result in events repeating identically due to the Law of Determinism, occurring infinitely. The theory aligns with some mainstream concepts like String Theory and the Big Crunch but lacks mathematical support for the idea of repeating histories. The discussion emphasizes the importance of adhering to forum rules regarding personal theories. Overall, the theory reflects a youthful exploration of complex cosmological ideas.
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Hi,
before I go on about my theory, I'm only 14 years old, so it obviously might contain mistakes.

My theory is that once Dark Matter and Energy starts to become weaker, and everything starts moving closer and closer due to Gravity, the Big Bang will happen again the exact same way as it did before, therefore everything will happen the exact same way (e.g. me having a glass of water, or discussing to someone how my day was) as it is now using the Law of Determinism.

This will continue for an infinite amount of times.

Thanks!
 
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That theory has already been proposed in the mainstream a couple of times such as in String Theory with the collision of branes and as the Big Crunch in GR (and maybe in other forms =D) although the part with repeating histories I am inclined to believe does not have a mathematical basis in the mainstream although you might have come up with something of your own =p.
 
Please reread the PF Rules about personal theories.
 
https://en.wikipedia.org/wiki/Recombination_(cosmology) Was a matter density right after the decoupling low enough to consider the vacuum as the actual vacuum, and not the medium through which the light propagates with the speed lower than ##({\epsilon_0\mu_0})^{-1/2}##? I'm asking this in context of the calculation of the observable universe radius, where the time integral of the inverse of the scale factor is multiplied by the constant speed of light ##c##.
The formal paper is here. The Rutgers University news has published a story about an image being closely examined at their New Brunswick campus. Here is an excerpt: Computer modeling of the gravitational lens by Keeton and Eid showed that the four visible foreground galaxies causing the gravitational bending couldn’t explain the details of the five-image pattern. Only with the addition of a large, invisible mass, in this case, a dark matter halo, could the model match the observations...
Hi, I’m pretty new to cosmology and I’m trying to get my head around the Big Bang and the potential infinite extent of the universe as a whole. There’s lots of misleading info out there but this forum and a few others have helped me and I just wanted to check I have the right idea. The Big Bang was the creation of space and time. At this instant t=0 space was infinite in size but the scale factor was zero. I’m picturing it (hopefully correctly) like an excel spreadsheet with infinite...

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