Asteroid to Fly Close to Earth but Not Collide, NASA Says
An asteroid about half the size of a football field will fly past Earth on February 15 in a record approach for a known object of its size -- closer than many man-made satellites -- but will not collide with the planet, NASA says.
http://www.wusa9.com/video/2144786039001/1/Asteroid-to-Fly-Close-to-Earth-but-Not-Collide-NASA-Says
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Asteroid to Fly Close to Earth but Not Collide, NASA Says
An asteroid about half the size of a football field will fly past Earth on February 15 in a record approach for a known object of its size -- closer than many man-made satellites -- but will not collide with the planet, NASA says.
NASAnewslookasteroidscience
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