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From: ab3@pucc-h (Darth Wombat)
Newsgroups: net.sf-lovers
Subject: Re: Re: Speed of Light
Message-ID: <441@pucc-h>
Date: Wed, 11-Jan-84 11:23:38 EST
Article-I.D.: pucc-h.441
Posted: Wed Jan 11 11:23:38 1984
Date-Received: Fri, 13-Jan-84 04:32:44 EST
Organization: Purdue University Computing Center
Lines: 23


	I would think so.  The sun heats up what particles there are
	so they are moving faster, and are farther apart.  Therefore
	there is 'more of a vacuum'.
	
	--dartvax!johnc

Sorry, but incorrect for a number of reasons:

	1. The sun emits particles; assuming that this emission is
roughly isotropic means that the density of emitted particles is 
roughly inversely proportional to radial distance from the sun to at
least the second power.

	2. Directly addressing your point -- the "harder vacuum" is one
with fewer particles per volume; not one with "faster particles per volume"
or "farther apart particles per volume".  I.e. the particle density will
stay constant for any macroscopic volume since any {quickly} exiting
particle will probably be replaced by a {quickly} entering particle.
-- 
"Go ahead...make my day."
Darth Wombat
{ allegra, decvax, ihnp4, harpo, seismo, teklabs, ucbvax } !pur-ee!rsk