Asteroid 2012-DA14 will pass Earth closely on Feb. 15, 2013 (NASA) On February 15 a chunk of rock about 50 meters wide will whiz by Earth at nearly 8 km/s, coming within 27,680 km of our planet’s surface — closer than many weather and communications satellites. For those of you more comfortable with imperial units, … Continue reading "In Two Weeks This 50-Meter Asteroid Will Buzz Our Planet"