The Hazard of Near-Earth Asteroid Impacts on Earth

The Hazard of Near-Earth Asteroid Impacts on Earth
Frontiers ^ | 4 March 2004 | Clark R. Chapman

Posted on 12/02/2004 10:51:16 AM PST by SunkenCiv

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old topic, updating standard ping message. Found while looking for Clark Chapman refs on FR.



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21 posted on 04/29/2007 9:14:05 AM PDT by SunkenCiv (I last updated my profile on Saturday, April 28, 2007. https://secure.freerepublic.com/donate/)

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NASA Mariner 4 page




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22 posted on 04/04/2011 6:33:43 PM PDT by SunkenCiv (Thanks Cincinna for this link -- http://www.friendsofitamar.org)

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