(meteorobs) Jets, not Geminids

[Kim Youmans]

Jure, Roberto, and all,

     Looks like I made a good call...the military confirmed that cold 
conditions caused two of their fighter craft to have extended-range sonic 
booms that would have occurred right at the time the sounds were heard 
(inland).  No Geminids at fault here....
http://www.myrtlebeachonline.com/mld/myrtlebeachonline/10424587.htm

Kim Y.


----- Original Message ----- 
From: "Jure Atanackov" <jureatanackov at email.si>
To: <meteorobs at meteorobs.org>
Sent: Wednesday, December 15, 2004 4:59 PM
Subject: Re: (meteorobs) Geminids and sonic booms


Taurids produce sonic booms, there is (was?) an audio file on IMO FIDAC site 
of
a sonic boom produced by a -10 Taurid fireball. I'm not sure about the
composition of Taurid meteoroids - cometary material only or perhaps also 
some
denser material as, IIRC, there are also several asteroids associated with 
the
stream? Assuming greater density also corresponds to greater strength, I see 
no
reason why large Geminid meteoroids couldn't penetrate low enough in the
atmosphere to produce a sonic boom.
As for what the people heard, you're most probably right.
My $0.02...
CS!Jure

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