Astronomers are tracking an asteroid that could hit Earth in 2032

The odds are about 1% that the football field-sized object could hit the Earth, but that makes it the closest call in more than 20 years.

Astronomers are tracking an asteroid that could hit Earth in 2032
A meteor contrail is seen over Chelyabinsk, Russia on Friday, Feb. 15, 2013, in a photo taken by a mobile phone camera. The object streaked across the sky over Russia

The odds are about 1% that the football field-sized object could hit the Earth, but that makes it the closest call in more than 20 years.

(Image credit: Sergey Hametov)