Michigan Meteor Could Have Been Worse

By SETH BORENSTEIN | January 19, 2018

  • January 21, 2018 at 6:47 am
    Blair James says:
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    “Eventually, scientists hope to have a defensive system, especially for rocks bigger than 30 miles wide (50 kilometers).”
    – this doesn’t make sense if the one that took out the dinosaurs was 10 km wide. I think you meant 30 meters wide, if the one that hit Russia was 20 meters and did so much damage.

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