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Giant Meteor Struck 3.5 Billion Years Ago

Jay Moore writes "According to this article on CNN, scientists believe a giant meteor 12 kilometers across struck the earth some 3.5 billion years ago making it the oldest known meteorite to have hit the earth."

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  1. Measurement Systems... by ztc · · Score: 3, Informative

    The summary of the article should read either 20 kilometers or 12 miles (not 12 kilometers) as the article mentions.