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lilphil1989 · April 5, 2011 at 5:14 pm

(April 5, 2011 at 4:49 pm)Chuck Wrote: The net mass/energy removed by black hole from the universe outside its event horizon over the long run is ultimately exactly zero.

Isn't that a tautology, at least from the point of view of an oberver outside the event horizon?
Because nothing ever passes the horizon anyway, just accumulates at the surface.

Anomalocaris · April 5, 2011 at 5:31 pm

(April 5, 2011 at 5:14 pm)lilphil1989 Wrote:
(April 5, 2011 at 4:49 pm)Chuck Wrote: The net mass/energy removed by black hole from the universe outside its event horizon over the long run is ultimately exactly zero.

Isn't that a tautology, at least from the point of view of an oberver outside the event horizon?
Because nothing ever passes the horizon anyway, just accumulates at the surface.

Good point. However, what I meant to say was the event horizon continuously shrinks and ultimately disappears, thus nothing remain remains with the blackhole forever.

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