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First Evidence Found of a Comet Strike.


Perkil8r
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Scientists have found the first evidence that suggests it is possible the Earth has at some point been struck by a comet.


 


http://news.nationalgeographic.com/news/2013/10/131011-first-comet-impact-egypt-fragment-science-space/?utm_source=Facebook&utm_medium=Social&utm_content=link_fb20131012news-cometstri&utm_campaign=Content


 



 


A tiny slice of the black pebble was put through isotopic analysis, which definitely ruled out that it came from a meteor. Instead, the analysis showed that the pebble possessed the unique chemical signature of a comet, measured in terms of elements such as argon and carbon.


 



 


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