Asteroid flyby: Asteroid '2012 DA14' no big deal, NASA says

Asteroid flyby: Asteroid '2012 DA14' no big deal, NASA says

Asteroid flyby: Asteroid '2012 DA14' no big deal, NASA says

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Asteroid flyby: Asteroid '2012 DA14' no big deal, NASA says

Asteroid flyby: Asteroid '2012 DA14' no big deal, NASA says
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