The John Batchelor Show
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1/2: #ClassicHotelMars: We live in a violent Solar System: #HotelMars: 1/2: The glass-strewn Atacama Desert twelve millennia after a comet bolide. Peter Schultz, @BrownUniversity, @BrownAlumniMag. David Livingston, SpaceShow.com (Originally posted Novembe
