Why doesn't the sky fall?

[Ron Van Putte]

On Aug 15, 2005, at 4:32 PM, Jim Ivey wrote:

>  In the south it booms everyday. In the summer.

He's right!  It's booming right now in Fort Walton Beach, FL.

Ron Van Putte

>
> Jim Ivey
>>
>> From: Bill Glaze <billglaze at triad.rr.com>
>> Date: 2005/08/15 Mon PM 05:25:50 EDT
>> To: discussion at nsrca.org
>> Subject: Re: Why doesn't the sky fall?
>>
>> Why isn't the sky always booming?  Bill
>>
>> randy10926 at comcast.net wrote:
>>
>>> 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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