Record-setting asteroid flyby
February 1, 2013
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.
— NASA Science
Video Source: NASA Science
Related:
Near-Earth asteroid 2012 DA14 to miss Earth on Feb. 15