Re: A partial black hole?

In rec.arts.sf.science, Crown-Horned Snorkack <chornedsnorkack@[EMAIL PROTECTED]
>
wrote:
> On 28 veebr, 09:03, Erik Max Francis <m...@[EMAIL PROTECTED]
> wrote:
> >
> > We're not talking about Cauchy horizons, we're talking about event
> > horizons around black holes.  And, psst, tidal forces stay finite
around
> > event horizons, too.  Hint:  Even event horizons are one-way barriers,
> > not two-way barriers.
>
> If an extended material object drops into a Schwarzschild black hole,
> is it destroyed before crossing the event horizon, or before hitting
> singularity and possibly after crossing event horizon?

The latter. The bigger the black hole, the smaller the tidal stress at
the event horizon.

James Burns:

> It says on the Wikipedia page that something falling
> into an event horizon will appear to redden and slow,
> Bnever quite reaching the event horizon, because of
> the gravitational red****ft becoming infinite at
> the horizon.

That's what's seen (visually) by an outside observer. If it's you
doing the falling, you have a very definitely finite future worldline
to look forward to.

--Z

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