Close Encounter  Asteroid

Close Encounter Asteroid

next week. An asteroid a quarter-mile-wide will, astronomically speaking, narrowly miss Earth next week.

And while it is the closest an asteroid this size has come to the home planet since 1976, there's no need to call Bruce Willis ... yet.

"There is no chance that this object will collide with the Earth or moon," Don Yeomans, the manager of NASA's Near Earth Object Program office, told Reuters.

But that doesn't mean the asteroid -- named 2005 YU55 -- won't be a threat to earth in the future. . . .

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