What Happens When a Black Hole Meets an Anti-Black Hole?

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Discussion Overview

The discussion revolves around the hypothetical scenario of what occurs when a black hole encounters an "anti-black hole," with a focus on the nature of black holes, their formation, and the implications of matter and antimatter interactions. The conversation includes theoretical considerations and speculative reasoning.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants question the existence of an "anti-black hole" in conventional physics, suggesting a need for clarification on the term.
  • One participant proposes that an "anti-black hole" refers to a black hole formed from antimatter.
  • Another participant asserts that black holes would merge into a single entity, regardless of the material from which they formed.
  • A claim is made that black holes have "no hair," implying they do not retain information about their formation.
  • One participant speculates that the extreme energy density within a black hole may randomize particles, potentially destroying information.
  • A later reply discusses the limits of information retrieval from black holes, suggesting that only certain properties, like mass and angular momentum, can be known.

Areas of Agreement / Disagreement

Participants express differing views on the concept of an "anti-black hole," with some questioning its validity while others attempt to define it. The discussion remains unresolved regarding the implications of black hole interactions and the nature of information retention.

Contextual Notes

The discussion includes assumptions about the nature of black holes and antimatter, as well as the limitations of current understanding in physics regarding information and black hole formation.

James Leighe
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What would happen?

I mean, would they annihilate?
 
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There is no such thing as an anti-Black Hole in conventional physics. Could you be talking about something else?
 
No, When I say anti-black hole, I'm referring to a black hole collapsed from anti-matter.
 
They would merge into a single black hole. A black hole has no memory of what kind of material it formed out of.
 
"Black holes have no hair."
 
I guess that this is because all the energy in such a small space makes the particles kind of random (e=mc stuff) and destroys the information or what?
 
The real answer is that there is no way to get any information about what went into a hole, other than how much was there, and if it carried angular momentum.

Could there be a nugget of information inside the horizon? Sure, why not, but much like the tootsie roll at the center of a tootsie pop, until you figure out how to bite open a black hole, it's gone.

One, ta-hoooo, tha-reee... *crunch*
 

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