ScienceCast: Record-Setting Asteroid Flyby On Feb.... http://t.co/chjdNX0B
January 29, 2013
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ScienceCast: Record-Setting Asteroid Fly...
ScienceCast: Record-Setting Asteroid Flyby On Feb. 15th An asteroid about half the size of a football field will fly past Earth closer than many man-made satellites. Since regular sky surveys began in the 1990s, astronomers have never seen an object so big come so close to our planet.
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