March 19, 2006: Comets and Catastrophes - James McCanney

Art Bell welcomes physicist James McCanney to discuss his plasma discharge comet model and its implications for Earth. McCanney argues that NASA's Stardust mission results prove comets are not dirty snowballs, as the returned samples contained calcium-aluminum inclusions formed at extreme temperatures rather than ice. He notes that the Deep Impact mission's spectrometer data showed Comet Tempel 1's nucleus was too hot to support water in any form. The discussion expands into planetary… Full show notes & guests: https://artbellarchive.org/episode/march-19-2006-comets-and-catastrophes-james-mccanney