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Pruning the forum database.
NASA says an asteroid about half the size of a football field will blow past Earth on Feb 15 closer than many man-made satellites. NASA added that while the asteroid, designated 2012 DA14 has no chance of striking Earth, since regular sky surveys began in the 1990s, astronomers have never seen an object so big come so close to our planet.http://www.networkworld.com/community/blog/nasa-feb-15-asteroid-fly-will-buzz-earth-closer-many-satellites