[meteorite-list] Pasamonte ("corkscrewing" meteorites)

From: Tom aka James Knudson <knudson911_at_meteoritecentral.com>
Date: Thu Apr 22 10:22:39 2004
Message-ID: <005301c33449$2e9ffe00$a2c143d8_at_malcolm>

Hello All, Look how small the fins are on the Saturn v rockets or how small
the rudder, flaps or ailerons are on the space shuttle or plane, it does
not take a lot to interrupt strait flight. I believe in the corkscrew!
Thanks, Tom
The proudest member of the IMCA 6168
----- Original Message -----
From: Steve Schoner <steve_schoner_at_yahoo.com>
To: Marco Langbroek <marco.langbroek_at_wanadoo.nl>; meteorite list
<meteorite-list_at_meteoritecentral.com>
Sent: Monday, June 16, 2003 9:13 AM
Subject: Re: [meteorite-list] Pasamonte ("corkscrewing" meteorites)


> Well then, if meteors cannot corkscrew what about
> those that appear to break off and change direction
> slightly in the lumionous phase?
>
> If they can do that, then corkscrewing caused by a
> flat surface spiraling in the same phase is not out of
> the question.
>
> I am certain that I read in some of the Nininger notes
> that the Pasamonte fireball did appear to "corkscrew"
> and it was not the train, but the fireball itself.
>
> Steve Schoner/AMS
>
>
>
> --- Marco Langbroek <marco.langbroek_at_wanadoo.nl>
> wrote:
> >
> > ----- Original Message -----
> > From: "Steve Schoner" <steve_schoner_at_yahoo.com>
> >
> >
> > > I think that a person took a famous photo of the
> > > Pasamonte fireball as it was happening with a
> > camera.
> > > According to him, and Nininger who reported it, it
> > > corkscrewed in flight.
> > >
> > > Steve Schoner/AMS
> >
> > Hi Steve and others,
> >
> > I am not convinced by the Pasamonte photograph, as
> > it is pertinent to know
> > how this photograph came about. At first, it is
> > likely that this photograph
> > does not show the Pasamonte fireball as is assumed,
> > but rather the extremely
> > bright persistent train it left. This was argued in
> > 1950 by C.C. Wylie in
> > Pop. Astronomy, for good reasons.
> >
> > The photograph was taken by a ranch foreman. He was
> > inside the house when
> > allerted by a bright flash outside. He picked up his
> > camera, went outside to
> > a spot with clear view, and took the picture. He
> > actually opened the shutter
> > while still walking.
> >
> > I want to point out:
> >
> > 1. That it is clear that this thus is a picture that
> > was not taken from a
> > steady tripod, but with a handheld moving camera
> > with the shutter opened
> > while the camera was moved. Hence, the corkscrew
> > appearance in the picture
> > is at least partly, if not whole, an artifact of the
> > camera movement while
> > the exposure was made;
> >
> > 2. Given the sequence related, it is likely that it
> > pictures the bright
> > persistent train rather than the fireball itself.
> >
> > - Marco Langbroek / Dutch Meteor Society
> >
>
>
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Received on Mon 16 Jun 2003 04:52:19 PM PDT