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Jim:<br>
that explains the strange noises in my head........ er, I mean, well,
Oh, forget it! bill<br>
<br>
Jim Ivey wrote:<br>
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cite="mid20050815213249.IJKE9746.ibm58aec.bellsouth.net@mail.bellsouth.net"
type="cite">
<pre wrap="">Bill
In the south it booms everyday. In the summer.
Jim Ivey
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<pre wrap="">From: Bill Glaze <a class="moz-txt-link-rfc2396E" href="mailto:billglaze@triad.rr.com"><billglaze@triad.rr.com></a>
Date: 2005/08/15 Mon PM 05:25:50 EDT
To: <a class="moz-txt-link-abbreviated" href="mailto:discussion@nsrca.org">discussion@nsrca.org</a>
Subject: Re: Why doesn't the sky fall?
Why isn't the sky always booming? Bill
<a class="moz-txt-link-abbreviated" href="mailto:randy10926@comcast.net">randy10926@comcast.net</a> wrote:
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<pre wrap="">Air molecules are never at rest. They undergo constant random thermal
motions of a variety of types. The simplest type is that of uniform
translation. The mean speed is about 500 m/s which is greater than the
speed of sound (340 m/s).
Randy
-------------- Original message --------------
I thought it was time to stir the pot while we wait for the
results from the Worlds.
Can anyone explain why gravity doesn't pull all the air molecules
down to earth? Are they lighter than space? What is their mean
speed?
I don't think this will help answer the weathervaning question and
won't help us fly any better but I thought it might be fun.
Jim O
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<pre wrap="">
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