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Chevrons, Cometary Parade & Cosmic Close Calls –Cosmography101-5.2 w/ Randall Carlson ‘06

Posted by paul kawsek on December 15, 2018 at 3:21am

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Cosmography101 Class 5 Segment 2/3 from November 15, 2006, with Randall Carlson. Overview notes/topics: Trends in impact geology recognizing as major factor ...

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paul kawsek December 15, 2018 at 4:55am

big asteroid hits are more common than you think. The presentation suggests many hits over a period of time

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