Eric, List,
That is the conclusion of the 2005 paper in "Nature" by
Melosh and Collins. Their computer models suggest it
fragmented and came in as a swarm of pieces, much
slowed by the atmosphere.
Here's two popular articles:
http://news.nationalgeographic.com/news/2005/03/0310_050310_meteorcrater.html
and
http://www.astronomy.com/asy/default.aspx?c=a&id=2965
Here's original paper:
http://amcg.ese.ic.ac.uk/~gsc/publications/articles/download/article7.pdf
Well, one page from Nature, Vol. 434, 10 March, 2005.
Sterling K. Webb
---------------------------------------------------------------------------------
----- Original Message -----
From: "Meteorites USA" <e...@meteoritesusa.com>
To: "Meteorite-list" <meteorite-list@meteoritecentral.com>
Sent: Thursday, September 09, 2010 10:44 AM
Subject: [meteorite-list] Meteor Crater Impactor?
Hi List,
Can someone tell me the proposed/accepted angle of descent of the
asteroid which formed Meteor Crater in AZ?
Wikipedia has the impactor at 50 meters across, and velocity at 12.8
km/s. Is this accurate?
Eric
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