A Comet Burned Earth And Caused An Ice Age 12,000 Years Ago, Scientists Say - discu.eu

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A Comet Burned Earth And Caused An Ice Age 12,000 Years Ago, Scientists Say http://www.ibtimes.com/comet-burned-earth-caused-ice-age-12000-years-ago-scientists-say-2649207 15 comments 2/2/2018 space