What's Wrong with My Pet Theory of Cosmology?

AI Thread Summary
The discussion centers on a proposed cosmological theory suggesting that the universe is inside a massive black hole, with an event horizon of approximately 170 billion light-years. The theory posits that the universe has no beginning or end, instead undergoing a recycling process through smaller black holes, and that the observed expansion may be an optical illusion. The author acknowledges a secondary idea involving a particle shower as the origin of the universe, but recognizes the challenges in justifying such an event. Forum guidelines prohibit discussions of personal theories that lack peer-reviewed support, emphasizing that such ideas should be submitted to the Independent Research forum instead. Overall, the author seeks constructive feedback while adhering to the forum's rules.
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Ok. I've got to know what you guys think of my pet theory.

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There are some things I'll never understand, like quantum gravity, and the like. But I'm an engineer so I can piece some things together. What I want to know is, what is wrong with my pet theory? There's GOT to be something wrong with it. After all, I'm not a cosmologist. Fire away!

For those who don't want to read the long version, basically I think the whole universe is the inside of a gigantic black hole. There is enough apparent mass in the universe to create an event horizon roughly 170 billion lightyears in diameter. I suggest that the universe has no beginning or end, but has a recycling process (rapid growth of smaller black holes) that keeps it from decaying. The expansion of the universe might be an optical effect arising from this process, making objects appear closer than they really are.

The alternative I have, but still in line with most of the above reasoning, is that the expanding cloud of matter that makes up our universe came from a particle shower rather than a singularity (since I argued that singularities effectively don't exist). The problem with this idea is that it would require some extraordinary collision to cause so much matter to "flash into existence".

I'm assuming my pet theory is so poorly contrived as to shortly become roadkill. So what do you buzzards think of my ideas?
 
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Note that personal theories are not allowed here. Check up on the PF guidelines that you agreed to when you joined. (You can submit it to the IR forum)
 
From the forum rules you linked to:

""Poorly formulated personal theories, unfounded challenges of mainstream science, and overt crackpottery will not be tolerated anywhere on the site. Linking to obviously "crank" or "crackpot" sites is prohibited.""


I don't think my theory is poorly formulated. And I think it is in line with mainstream science, rather than a challenge to it. I just want to know if there IS anything obviously wrong with it. In fact I would appreciate it if you were specific with your feedback/criticisms.
 
I've not read your theory, and so cannot comment on it. However, let me draw your attention to the following, taken from the PF guidelines:

It is against our Posting Guidelines to discuss, in most of the PF forums, new or non-mainstream theories or ideas that have not been published in professional peer-reviewed journals or are not part of current professional mainstream scientific discussion.

Like I said above, you can post to the Independent Research forum, where new theories can be discussed.
 
And with Cristo's excellent summary of our policy, I will close this thread.
 
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##.
Why was the Hubble constant assumed to be decreasing and slowing down (decelerating) the expansion rate of the Universe, while at the same time Dark Energy is presumably accelerating the expansion? And to thicken the plot. recent news from NASA indicates that the Hubble constant is now increasing. Can you clarify this enigma? Also., if the Hubble constant eventually decreases, why is there a lower limit to its value?
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