Should a massive asteroid be on a trajectory to impact the Earth, there wont necessarily be any warning.

DailyStar reports that asteroid 2017-VL2 zipped past the Earth on November 9th, and NASA didn’t even notice.

While the size of the asteroid seems unintimidating, measured 12-36 meters wide, a direct impact could have annihilated an area the size of New York city. 

The space-rock came within 76,000 miles of Earth, a very near miss given the astronomical metrics used to measure space.

And NASA didnt see it coming.

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