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From: ethan@utastro.UUCP (Ethan Vishniac)
Newsgroups: net.astro
Subject: Re: StarDate: October 10 Kepler's Star
Message-ID: <52@utastro.UUCP>
Date: Wed, 16-Oct-85 09:52:06 EDT
Article-I.D.: utastro.52
Posted: Wed Oct 16 09:52:06 1985
Date-Received: Mon, 21-Oct-85 05:34:28 EDT
References: <33@utastro.UUCP> <904@abnji.UUCP>
Organization: U. Texas, Astronomy, Austin, TX
Lines: 16

> 
> I thought that there wereradio sitings of supernovae in our galaxy, but
> because they weren't near enough to earth, they couldn't be seen.
> -- 
> James C. Armstrong, Jnr.	{ihnp4,cbosgd,akgua}!abnji!nyssa

Supernova remnants are large regions of disturbed and heated gas,
roughly spherical (very roughly) and sometimes shell-like.  They are
often very conspicuous in the radio.  They mark the location of
supernovae that have gone off in the last few tens of thousands of years.
-- 
"Superior firepower is an      Ethan Vishniac
 important asset when          {charm,ut-sally,ut-ngp,noao}!utastro!ethan
 entering into                 ethan@astro.UTEXAS.EDU
    negotiations"              Department of Astronomy
                               University of Texas