"nemesis" <nam### [at] gmailcom> wrote:
> Yes, but according to the article you linked, QM physicists are giving another
> explanation for the same effects without the paradoxes blackholes carry, the
> same ones we were avidly discussing about previously:  the "lost information"
> and the "after-image" effect of something crossing the EH as seen from an
> external observer.  Of course, they are trying to explain it by relying on a
> supposed dark matter star that has never been detected before either. :P

Interestingly though, the real-existing phenomenon of "black holes" was
originally a purely hypothetical prediction of GR - not some already known
effect that needed to be explained. And it did predict their properties quite
well as it seems. So this is strong evidence that the GR is a very good tool to
make predictions.

So in order to show that *their* theory is at least an equally good tool, they
would actually have to demonstrate how their own theory explains not only the
same *phenomenons* as GR, but *postulates GR itself* - or demonstrate how their
theory is just a different way of looking at GR.

> OTOH, will we ever witness such object, blackhole or dark matter star?  Such
> humongous gravitational force surely has many objects orbiting it,
> "overcrowded" as clipka mentioned, and most of it being gas and stars, so what
> is the chance of seeing what isn't supposed to be seen except against a clear
> starry background?

It would also probably an unhealthy place to stay even without being ripped
apart by tidal forces - with gamma ray jets and all that around.

BTW, speaking of it: When falling into a black hole I guess it may be best not
to try to fight the inevitable... suppose you manage to stay at a fixed
distance from the center - with all the blueshift of the photons falling in,
you're gonna get your daily maximum dose of gamma rays in a few split
seconds... so better fall in to experience the same blue shift (effectively
leaving the shift unchanged from your perspective) and hope that the
singularity is just a transition to a better life somewhere - um, I mean
someWHEN - else...

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