[meteorite-list] Wales images

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From: GeoZay_at_aol.com <GeoZay_at_meteoritecentral.com>
Date: Thu Apr 22 10:28:21 2004
Message-ID: <40.351ff822.2cb0b6f1_at_aol.com>

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In a message dated 10/4/2003 4:26:48 PM Pacific Standard Time,
ROBERT.D.MATSON_at_saic.com writes:

> >>You see, if it was a bolide, then the contrail that was generated
> will change morphologically on a fairly fast time scale due to
> the changing altitude. Given the similarity of the images, then,
> they would have to have been taken within seconds of each other --
> probably no more than 10 or 20 seconds, and more importantly they
> would have to have been taken less than a minute after the bolide
> entered. So you have two separate parties independently photographing
> a bolide contrail at nearly the same time within a minute of it
> happening, and yet neither party (at least conclusively, yet)
> witnessed the bolide itself? While this is remotely ~possible~,
> isn't it far more likely that two groups saw the same static
> contrail, and took images of it perhaps several minutes apart?<<

I haven't been following this thread too much until now. I read a couple
postings and from Roberts logic above and my own past meteor observing experience,
I have to think that what was photographed in Wales wasn't a meteor. Long
lasting persistent trains really twist up in a hurry. If neither of the
photographers captured the twisting train, then surely they would have noted the train
being all twisted up shortly afterwards. I haven't found any mentioning of the
train being twisted. The time that would have gone by after photographing,
would have been plenty of time for it to form this way...also I can't believe
that they wouldn't have looked back at it again after photographing it and
noticing the changing shape by then.
George Zay

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<HTML>In a message dated 10/4/2003 4:26:48 PM Pacific Standa=
rd Time, ROBERT.D.MATSON_at_saic.com writes: 
 
<BLOCKQUOTE TYPE=3DCITE style=3D"BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT=
: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">>>You see, if it was a bo=
lide, then the contrail that was generated 
will change morphologically on a fairly fast time scale due to 
the changing altitude.  Given the similarity of the images, then, 
they would have to have been taken within seconds of each other -- 
probably no more than 10 or 20 seconds, and more importantly they 
would have to have been taken less than a minute after the bolide 
entered.  So you have two separate parties independently photographing<=
BR>
a bolide contrail at nearly the same time within a minute of it 
happening, and yet neither party (at least conclusively, yet) 
witnessed the bolide itself?  While this is remotely ~possible~, 
isn't it far more likely that two groups saw the same static 
contrail, and took images of it perhaps several minutes apart?<<</BLOC=
KQUOTE> 
 
I haven't been following thi=
s thread too much until now. I read a couple postings and from Roberts logic=
above and my own past meteor observing experience, I have to think that wha=
t was photographed in Wales wasn't a meteor. Long lasting persistent trains=20=
really twist up in a hurry. If neither of the photographers captured the twi=
sting train, then surely they would have noted the train being all twisted u=
p shortly afterwards. I haven't found any mentioning of the train being twis=
ted. The time that would have gone by after photographing, would have been p=
lenty of time for it to form this way...also I can't believe that they would=
n't have looked back at it again after photographing it and noticing the cha=
nging shape by then. 
George Zay 
 
 
 
</HTML>
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Received on Sat 04 Oct 2003 07:51:13 PM PDT

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