Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site utastro.UUCP Path: utzoo!watmath!clyde!cbosgd!ihnp4!zehntel!dual!amd!pesnta!hplabs!hao!seismo!ut-sally!utastro!bill From: bill@utastro.UUCP (William H. Jefferys) Newsgroups: net.physics Subject: Re: Re: "big bang" a big bust? Message-ID: <875@utastro.UUCP> Date: Wed, 5-Dec-84 10:00:40 EST Article-I.D.: utastro.875 Posted: Wed Dec 5 10:00:40 1984 Date-Received: Fri, 7-Dec-84 05:51:36 EST References: <127@sdcc12.UUCP>, <17266@lanl.ARPA> Organization: UTexas Astronomy Dept., Austin, Texas Lines: 18 > 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. In fact, a Black Hole is the perfect destroyer of information. That is the point of John Wheeler's comment "A Black Hole Has No Hair", that is, once things are thrown into the black hole, we lose all information about them. One of the results of modern relativity theory is the deep connection between black holes and Thermodynamics, as worked out by Hawking, Beckenstein and others. -- "When evolution is outlawed, only outlaws will evolve" Bill Jefferys 8-% Astronomy Dept, University of Texas, Austin TX 78712 (USnail) {allegra,ihnp4}!{ut-sally,noao}!utastro!bill (uucp) bill%utastro.UTEXAS@ut-sally.ARPA (ARPANET)