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From: guy@rlgvax.UUCP (Guy Harris)
Newsgroups: net.physics
Subject: Re: "big bang" a big bust?
Message-ID: <278@rlgvax.UUCP>
Date: Mon, 3-Dec-84 20:45:07 EST
Article-I.D.: rlgvax.278
Posted: Mon Dec  3 20:45:07 1984
Date-Received: Thu, 6-Dec-84 05:38:33 EST
References: <85@decwrl.UUCP> <10800012@uiucdcsb.UUCP>
Organization: CCI Office Systems Group, Reston, VA
Lines: 15

> Light can't escape from within a black hole, but information can.
> 
> Two pieces of information escape from a black hole - its mass and angular
> momentum.

Nope.  The mass, charge (you forgot that one), and angular momentum of the
black hole are merely the mass, charge, and angular momentum of the
stuff that went into the black hole.  You can't change any of the above
from within the black hole - it's too late.  As such, there's no "information"
to be gained; an observer from the outside already could have figured out
what the mass, charge, and A.M. of the black hole were if they knew what went
into it.

	Guy Harris
	{seismo,ihnp4,allegra}!rlgvax!guy