Astrophysics: Difference between White and Black Holes?
Astrophysics: Difference between White and Black Holes?
ive heard of a black whole ok so whats a white whole and whats the diffference
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[Silver Dove]
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ok bud, here is a defenition of white whole and difference between white and black whole....hope this helps.....I am not much of quantum mechanics gal...but this is a interesting topic. I will be reading up some more on it to broaden my horizons...
In astrophysics, a white hole is the theoretical time reversal of a black hole. While a black hole acts as a vacuum, drawing in any matter that crosses the event horizon, a white hole acts as a source that ejects matter from its event horizon. The sign of the acceleration is invariant under time reversal, so both black and white holes attract matter. The only potential difference between them is in the behavior at the horizon.
Black hole event horizons can only "suck up" matter, while white hole horizons ostensibly recede from any incoming matter at the local speed of light, so that the infalling matter never crosses. The infalling matter is then scattered and reemitted at the death of the white hole, receding to infinity after having come close to the final singular point where the white hole is destroyed. The total proper time until an infalling object encounters the singular endpoint is the same as the proper time to be swallowed by a black hole, so the white hole picture does not say what happens to the infalling matter. Ignoring the classically unpredictable emissions of the white hole, the white hole and black hole are indistinguishable for external observers.
In astrophysics, a white hole is the theoretical time reversal of a black hole. While a black hole acts as a vacuum, drawing in any matter that crosses the event horizon, a white hole acts as a source that ejects matter from its event horizon. The sign of the acceleration is invariant under time reversal, so both black and white holes attract matter. The only potential difference between them is in the behavior at the horizon.
Black hole event horizons can only "suck up" matter, while white hole horizons ostensibly recede from any incoming matter at the local speed of light, so that the infalling matter never crosses. The infalling matter is then scattered and reemitted at the death of the white hole, receding to infinity after having come close to the final singular point where the white hole is destroyed. The total proper time until an infalling object encounters the singular endpoint is the same as the proper time to be swallowed by a black hole, so the white hole picture does not say what happens to the infalling matter. Ignoring the classically unpredictable emissions of the white hole, the white hole and black hole are indistinguishable for external observers.
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Silver Dove
Silver Dove
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[Silver Dove]
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[ShadowPhoenix]
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..........Interesting, I JUST found this....I've never heard of such a thing as a white hole....hmm, perhaps black and white holes act as a worm hole go through a black hole come out of a white hole...hm, another interesting twist to my hypothesis...perhaps they are even doorways to and from other dimensions....
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[ShadowPhoenix]
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