The Cosmic Tusk

Exploring abrupt climate change induced by comets and asteroids during human history

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folder Filed in Random Tusks
Multi-ringed depressions beneath Hudson Bay imitate impact craters
event August 1, 2016 comment 44 Comments

Screenshot 2016-08-01 19.55.39

 

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UofA: Short, enigmatic event causes geochemical changes at start of Younger Dryas