On January 18th, a 1km-wide (.62mi) asteroid will zip by Earth. Although it will be a relatively close encounter, there is nothing to fear as the giant hunk of rock will pass 1.9 million miles from our pale blue planet, which is roughly seven times the distance to the moon. However, what is interesting about this asteroid is that you may be

Source: Hot Hardware – NASA Planetary Defense Details Massive Asteroid Flying By Earth And How To Track It