Asteroid DNA: Chelyabinsk fireball left fascinating traces behind

October 20, 2013 05:00 PM | 0 0 comments | 16 16 recommendations | email to a friend | print
Last week, European scientists released their study of the fragments recovered following the Russian fireball on February 15 this year. That daylight explosion was the largest extraterrestrial body impacting the Earth since the Tunguska event of 1908.
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