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## Re: black hole originated from anti-matter colliding with black hole

<jabberwocky><div class="vbmenu_control"><a href="jabberwocky:;" onClick="newWindow=window.open('','usenetCode','toolbar=no,location=no, scrollbars=yes,resizable=yes,status=no,width=650,height=400'); newWindow.document.write('<HTML><HEAD><TITLE>Usenet ASCII</TITLE></HEAD><BODY topmargin=0 leftmargin=0 BGCOLOR=#F1F1F1><table border=0 width=625><td bgcolor=midnightblue><font color=#F1F1F1>This Usenet message\'s original ASCII form: </font></td></tr><tr><td width=449><br><br><font face=courier><UL><PRE>John Baez wrote:\n&gt; jdff &lt;jdff1001@hotmail.com&gt; wrote:\n&gt;\n&gt;&gt;&gt;[Moderator\'s note: They would form a larger black hole. There\'s an\n&gt;&gt;&gt; old saying, "Black holes have no hair," which means that black holes\n&gt;&gt;&gt; don\'t have any properties other than their mass, charge, and spin,\n&gt;&gt;&gt; that make them behave any differently from each other. So an\n&gt;&gt;&gt; antimatter black hole would behave indistinguishably from an\n&gt;&gt;&gt; antimatter black hole. -TB]\n&gt;\n&gt;&gt;Does "no hair" imply any other conserved quantities? Obviously, you\n&gt;&gt;have left out linear momentum from the above list.\n&gt;\n&gt; People tend to leave that out because they tend to imagine working\n&gt; in the rest frame of the black hole... but that\'s the ONLY ONE that\n&gt; Ted left out.\n\nWell, it isn\'t a *conserved* quantity, but every blak hole *does* have one\nmore property not on the list. It isn\'t left off because it is obscure, but\nbecause it is obvious.\n\nEvery black hole has a Position!\n\nRalph Hartley\n\n\n</UL></PRE></font></td></tr></table></BODY><HTML>');"> <IMG SRC=/images/buttons/ip.gif BORDER=0 ALIGN=CENTER ALT="View this Usenet post in original ASCII form">&nbsp;&nbsp;View this Usenet post in original ASCII form </a></div><P></jabberwocky>John Baez wrote:
> jdff <jdff1001@hotmail.com> wrote:
>
>>>[Moderator's note: They would form a larger black hole. There's an
>>> old saying, "Black holes have no hair," which means that black holes
>>> don't have any properties other than their mass, charge, and spin,
>>> that make them behave any differently from each other. So an
>>> antimatter black hole would behave indistinguishably from an
>>> antimatter black hole$. -TB]$

>
>>Does "no hair" imply any other conserved quantities? Obviously, you
>>have left out linear momentum from the above list.

>
> People tend to leave that out because they tend to imagine working
> in the rest frame of the black hole... but that's the ONLY ONE that
> Ted left out.

Well, it isn't a *conserved* quantity, but every blak hole *does* have one
more property not on the list. It isn't left off because it is obscure, but
because it is obvious.

Every black hole has a Position!

Ralph Hartley