All black holes are defined by three parameters: Mass, spin and charge. So everything about density, temperature and all the other characteristics of the star from which the black hole was formed are lost forever. All lost to the singularity in the black hole and the nether land of quantum mechanics. Imagine a black hole made up of anti-matter, or neutrinos, or me. All the information would be only a memory. Could black holes form from the mysterious dark matter? Probably. Or from the even more mysterious dark energy? Since E=MC^2 we know that energy and mass are interchangeable and that it is repulsive so dark energy should add to the negative mass of the black hole. All this to sum up to Mass, spin and charge. No more, no less. But wouldn't it be great to see the mish-mosh of the interior of a black hole? Little strings flitting about at the speed of light. Would the resonances of virtual particles pop in and out of existence in there?
Badges have nothing to do with observation that we're all on this flight together.
Dick
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