March 19, 2006: Comets and Catastrophes - James McCanney
Physicist James McCanney argues that NASA's comet mission results disprove the dirty snowball theory and discusses how large cometary objects could trigger catastrophic events on Earth. Full show notes, transcript, guests, and related listening: https://artbellarchive.org/episode/march-19-2006-comets-and-catastrophes-james-mccanney
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