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Re: Black Holes That Turn Into Nothing

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Posted by Chris/">Chris on January 19, 1998 12:51:29 UTC

As a black hole gathers more matter, its event horizon expands. As the event horizon expands, the gravity well becomes less and less steep. Eventually there comes a point when an object can easily survive transition across the event horizon - but can never escape. Now, inside the event horizon as the object approaches the singularity that must exist, is a different matter. Such an object is approaching a point of infinite gravity and an some point will be stretched into spaghetti before reaching the singularity. It is at the singularity that current theories break down and predicting what happens becomes problematic.

As far as I know, no matter how large black holes become, their gravitational effect is never cut off from the rest of the universe. And the larger they become, the more ordinary the conditions appear at the event horizon - ordinary to the point the matter falls in without any unusual gravitational stress.

: As a black hole gathers more matter and distorts : space-time more, there must come a point where the space : around it gets so "stretched" that it eventually rips : space-time. The black hole that the big bang came from, : si I understand, was such a black hole. it sucked into : itself not only matter and energy, but space-time as : well.

: I was wondering how much matter would be needed to : create a gravitational force great enough to cause : this. (maybe the answer is everything in the universe)

: I assume that if this did happen, then anyone on the : other side of such a rip would not be able to detect : the gravitational affect of the black hole any : longer as there would be no space-time through which : it could propagate. Thus it would seen to others to : have disappeared.

: Any thoughts?


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