, 2010 10:38 AM
To: meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] Meteor Crater Shape and Entry Angle
Hi John, Thanks for the details. It's interesting to note that the angle
of descent is not known, though there are educated guesses or
calculations. What can probably be agre
Chris
*
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
- Original Message -
From: "Meteorites USA"
To:
Sent: Friday, September 10, 2010 11:37 AM
Subject: Re: [meteorite-list] Meteor Crater Shape and Entry Angle
Hi John,
>>What can probably be agreed is that an impactor with an
entry angle of 45* degrees could produce a round crater. Meaning of
course that Meteor Crater, since it's not perfectly round as evidenced
by the "bulges" in the NW and SE corners, must have been produced by an
impactor with a traj
Of
bernd.pa...@paulinet.de
Sent: Friday, September 10, 2010 3:26 AM
To: Meteorite-list@meteoritecentral.com
Subject: [meteorite-list] Meteor Crater Shape and Entry Angle
Eric wrote:
"The crater is not perfectly round as would be expected from an impactor
coming in at a sharper angle. In fac
n.com/article.cfm?id=why-are-impact-craters-al
--
Richard Kowalski
Full Moon Photography
IMCA #1081
--- On Fri, 9/10/10, bernd.pa...@paulinet.de wrote:
> From: bernd.pa...@paulinet.de
> Subject: [meteorite-list] Meteor Crater Shape and Entry Angle
> To: Meteorite-list@meteoritecent
al.com] On Behalf Of
bernd.pa...@paulinet.de
Sent: Friday, September 10, 2010 3:26 AM
To: Meteorite-list@meteoritecentral.com
Subject: [meteorite-list] Meteor Crater Shape and Entry Angle
Eric wrote:
"The crater is not perfectly round as would be expected from an impactor
coming in at a sharper
Eric wrote:
"The crater is not perfectly round as would be expected from an impactor
coming in at a sharper angle. In fact the crater is more elliptical in shape."
SHOEMAKER E.M. and KIEFFER S.W. (1974, 1979) Guidebook to the
Geology of Meteor Crater, Arizona (Publ. No. 17, Center for Meteorite
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