Planck - stelactic - cosmological black hole symmetry?

AI Thread Summary
The discussion explores the concept of concentric black holes, specifically how a central stelactic black hole mediates a symmetry between Planck and cosmological black holes. It examines the implications of Hawking radiation and the gravitational inversion of event horizons, suggesting a duality among these black holes. Participants inquire about potential interrelationships beyond their classification as black holes and discuss the existence of a critical mass demarcation between stellar and galactic black holes. The conversation highlights the intriguing possibility that the observable universe's mass-radius ratio aligns with characteristics of black holes. Overall, the idea of nested black holes presents a compelling framework for understanding cosmic structures.
Loren Booda
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Like nested dolls, these black holes appear coexisting concentrically where the central stelactic (stellar-galactic) black hole mediates a symmetry between the other two.

For instance, consider how stelactic Hawking radiation manifests under inversion of its event horizon. The events within this horizon are, upon inversion, gravitationally-reversed (a la dark energy), with the Planck ("singularity") and cosmological ("Hubble") black holes exhibiting duality.

Can you see more significant interrelationships amongst them, other than they are black holes?
 
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Is there a critical (mass) demarcation between stellar and galactic black holes, and how might this differentiation have arisen in the early universe?
 
Wow, concentric black holes, that is certainly news to me and is very exciting. Got a link please?
 
It just seems to make sense to me. The observable universe is on the order of the right mass-radius ratio to be a black hole, wherein exist "conventional" stelactic black holes whose central "singularities" themselves are of maximal density, perhaps a composite like that characteristic of Planck black holes.
 
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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