Observing Asteroid 2005 YU55

On Tuesday November 8th, 2011 asteroid 2005 YU55 which is about the size of an aircraft carrier buzzed the Earth within 201,700 miles (324,600 kilometers).  As a point of reference, our moon is 238,000 miles away!   Even though asteroids of this size pass by Earth frequently, the last time a space rock this large came…
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