The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.
Morning Overview on MSN
NASA tracking bus-size asteroid now hurtling toward Earth
A bus-size asteroid is racing through space on a trajectory that will bring it close to Earth, and NASA is watching it with ...
The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.
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