[meteorite-list] Metal Fragment That Hit Illinois Home Not A Meteorite

From: M come Meteorite Meteorites <mcomemeteorite2004_at_meteoritecentral.com>
Date: Thu, 5 Apr 2007 17:22:43 +0200 (CEST)
Message-ID: <117000.84539.qm_at_web26209.mail.ukl.yahoo.com>

what I have say immediatly when I have seen the
photo...

matteo

--- Ron Baalke <baalke at zagami.jpl.nasa.gov> ha
scritto:

>
>
http://www.pantagraph.com/articles/2007/04/04/news/doc46142bcd06542966362700.txt
>
> Metal fragment that hit home not a meteorite
> By M.K. Guetersloh
> Pantagraph (Illinois)
> April 4, 2007
>
> BLOOMINGTON -- The chunk of metal that crashed
> though a Bloomington
> couple's home last month was not a meteorite but
> something man-made.
>
> But Robert "Skip" Nelson, a professor of geology at
> Illinois State
> University, said the theory may be just as unique as
> he pieces together
> how the piece of metal made its way March 5 into
> David and Dee Riddle's
> house at Partner Place.
>
> Nelson said the metal object appears to have been
> ejected from a wood
> grinder from Twin City Wood Recycling. "That's
> almost as amazing as it
> being a meteorite," Nelson said.
>
> The metal object is about the size of a deck of
> cards and weighs nearly
> a pound. Because of its weight and the steep angle
> with which it hit the
> house, Nelson initially thought it could have been a
> meteorite.
>
> John Wollrab, owner of the recycling company, said
> he contacted
> university scientists within days of learning about
> it.
>
> "I had heard about it and thought it was
> interesting," Wollrab said. "It
> was close to my business and we were outside that
> day running the
> grinder so it made me wonder if it was something
> that came out of the
> grinder."
>
> Wollrab let university professors studying the
> object come out to his
> business to take measurements.
>
> If it was ejected from the grinder, Nelson said, the
> chunk of metal
> would have traveled about 300 meters, or roughly 900
> feet.
>
> "The force to push it that far would have been
> pretty great," Nelson said.
>
> The speed the object was traveling when it crashed
> through the Riddles'
> bedroom window and punched through a computer desk
> would have been "a
> couple of hundred miles an hour," Nelson added.
>
> Wollrab said he would be surprised if something
> could be ejected from
> the machinery with enough force to travel that far.
> "I think it is still
> speculation," Wollrab said.
>
> Dee Riddle said she, too, is surprised by Nelson's
> theory.
>
> "I just don't understand how that could have
> traveled that far," she said.
>
> Nelson doesn't know where the metal came from. He
> said it did not come
> from the machinery but may have been something mixed
> in with the wood.
>
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>


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Received on Thu 05 Apr 2007 11:22:43 AM PDT