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Old 07-04-2009   #4 (permalink)
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Re: Smallest stable black-holes

Quote:
Originally Posted by Moontanman View Post
One thing I have asked about at one time or another is this. Would a back hole made of antimatter behave compared to a matter black hole and what would happen if a matter black hole and an antimatter black hole were to merge, assuming both were of equal mass would they cancel out?
I have never actually thought about this!

Matter and anti-matter is supposed to annihilate each other 100%, leaving only a flash of gamma rays in its wake. But consider two black holes of equal mass, one matter and the other anti-matter. If they fall together, would the gamma burst be able to escape?

I suppose so - cause the matter constituting the mass on both black holes would now be gone through annihilation, and there won't be anything left of the black holes, so there won't be an event horizon on either side or in total - there would be just one goddamn big gamma burst and zero black hole! And anything that was orbiting the black holes would just carry on in a straight line seeing as the gravity is now gone all of a sudden - assuming they'd survive the gamma flash...

It's a strange, strange universe, this. But in an infinite universe, if this haven't happened yet, it sure will, sometime in the distant future...


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