While you were working: An asteroid just flew by

It came closer ... closer ... and then it started heading away. But you may not have noticed at all.

An asteroid passed relatively close to Earth around 2:24 p.m. ET Friday. As scientists had been predicting all week, it did not hit.

A different and unrelated meteor exploded over Russia Friday, hours before the much larger asteroid's fly-by, injuring about 1,000 people. Scientists say this was a pure coincidence.

By contrast, the asteroid, called 2012 DA14 never got closer than 17,100 miles to our planet's surface.

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