Asteroid Flyby Setting A Record – 29 January 2013

Uploaded on 28 jan 2013 by Skyywatcher88 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. http://science.nasa.gov/

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