Reshared post from +Ciro Villa
"Artist Michael Carroll created this image size comparison of 2012DA14 (on the left) and the Chelyabinsk meteroid (on the right) shown here give us a more understandable representation of how large the recent NEOs that have passed Earth have been."
Read more –> http://b612foundation.org/so-how-big-are-these-neos-anyway/

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