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Is There An Avg Size For Black Holes?

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Posted by silverana on October 27, 2000 11:20:36 UTC

i wanted to ask the question how bright would a black hole appear......then it hit me that entropy is to do with the surface area of the event horizon, so the actual size of the black hole must be taken into account (pls contradict me if im wrong) ..... so is there an average size for bhs?
and if yes, then at wat rate would they b emitting those particles/antiparticles?

is it possible for a black hole to shine as brightly as a quasar?

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