Chelyabinsk Meteorite Was Struck By An Asteroid Before Hitting Earth

Scientists read the fragment of the Chelyabinsk meteorite have concluded that the object was separated from its parent body after being strike by an asteroid — an impact that ultimately have it to lead towards Earth . frighteningly , its sis objects could still be out there .

When Chelyabinsk arrived on February 13 , 2013 , it quickly became a brilliant superbolide meteor over the southern Ural realm of Russia ; it ’s the secondly largest asteroid airburst in our record story . Because of its enormous velocity and shallow atmospheric entry angle , the object exploded , rain down pocket-sized fragmentary meteorites .

These pieces are now being study by a squad of researcher who are seeking to sympathize the nature and formational story of near - Earth physical object ( NEOs ) . What they ’re find is consistent with the operate theory : Asteroid - on - asteroid military action is a key process in orbital evolution .

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( Ozawa et . al | Nature )

After get word the universe of high - pressure level mineral jadeite in the shock - melt veins of the Chelyabinsk meteorite , the researchers gauge the parent consistence to have been about 500 ft ( 150 meters ) in diameter . The Chelyabinsk meteorite itself was about 30 to 60 feet in distance . The second asteroid was traveling at about 3,400 miles per hr when it hit the parent objective , splintering off the rock that would become the Chelyabinsk meteoroid . And in fact , there may be other sister asteroids still peril Earth .

https://gizmodo.com/chelyabinsk-meteor-may-be-part-of-larger-pack-threateni-1039974316

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Now it ’s crucial to note that this was n’t a recent event . The team thinks it pass about 290 million years ago . But the impact , in addition to creating the object , induce it to move into an orbital sonority about 10 million years ago , which in turn put it into an Earth - crossing area .

Read the entire scientific reporthere .

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