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Re: Bolide size vs Recovered Stones
- To: meteorite-list@meteoritecentral.com
- Subject: Re: Bolide size vs Recovered Stones
- From: GeoZay <GeoZay@aol.com>
- Date: Sat, 28 Feb 1998 15:27:43 EST
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- Resent-Date: Sat, 28 Feb 1998 15:30:09 -0500 (EST)
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In a message dated 98-02-28 14:30:40 EST, you write:
Al<<
If the fireball breaks apart then its no longer a fireball but a bolide by
the
definitions I have sighted. All objects traveling faster than sound should
produce a sonic boom, coming down through the atmosphere, if the sound wave
reaches someone that can hear it. (if a tree drops in a forest and no one is
around to hear it did it make a sound) Again I would like to see some
distinct
information to settle the issue and am open minded to such info. Best
regards.
>>
----------------------
Not all fireballs will travel far enough into the atmosphere to produce a
hearable sonic boom on the ground. If high enough, probably no appreciable
sound at all anywhere. So if a fireball produces a sonic boom and does not
fragment, it is still a fireball? Personally, I think of a bolide as a
fireball that has ended in a terminal burst with a sonic boom...like the one
in El Paso last october. All others are simply fireballs.
George Zay