Tomas Vencl's latest activity
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TTomas Vencl replied to the thread I An invariant while crossing the horizon.Yes, thank you all. The infalling observer’s proper time (\tau_1) is ultimately not important. What matters is that all observers agree...
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TTomas Vencl replied to the thread I An invariant while crossing the horizon.Yes, that exactly is the point of the question.
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TTomas Vencl posted the thread I An invariant while crossing the horizon in Special and General Relativity.While reading the neighboring thread I came up with the following question: consider an evaporating black hole and an observer falling...
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TTomas Vencl reacted to martinbn's post in the thread B How can a black hole absorb matter? with
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The way I understood @JimWhoKnew point is that given an observer, who stays out of the hole, there are no events on the EH, which are in... -
TTomas Vencl replied to the thread B How can a black hole absorb matter?.As JimWhoKnew has already noted: In other words, this scenario assumes that the photons emitted from the shell itself during the...
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TTomas Vencl reacted to JimWhoKnew's post in the thread B How can a black hole absorb matter? with Like.
The event horizon is a global concept and can never be in the causal past of external observers. (Ignoring the possibility of completely...