Close-call Asteroid is half-size of football field
The flyby of asteroid 2012 DA14 on Feb. 15, 2013, will be the closest known approach to Earth for an object its size.
http://www.wusa9.com/video/2145680392001/1927034711001/Close-call-Asteroid-is-half-size-of-football-field
http://bc_gvpc.edgesuite.net/img/963482463001/201302/3754/963482463001_2145625465001_961896998-177-1360155835126.jpg?pubId=963482463001
Close-call Asteroid is half-size of football field
The flyby of asteroid 2012 DA14 on Feb. 15, 2013, will be the closest known approach to Earth for an object its size.
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