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

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When a black hole encounters an anti-black hole, which is theorized to be formed from antimatter, they would merge into a single black hole. Conventional physics does not recognize the existence of anti-black holes, but the discussion suggests that the merging process would not retain any information about the original materials. This is due to the principle that black holes have "no hair," meaning they do not remember the specifics of their formation. The only information that can be extracted is the total mass and angular momentum of the black hole. Ultimately, any information about what fell into a black hole is considered lost beyond the event horizon.
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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