Biggest asteroid in 35 years swings close to Earth
Wednesday, November 9, 2011 - 05:00
in Astronomy & Space
(AP) -- An asteroid as big as an aircraft carrier zipped by Earth on Tuesday in the closest encounter by such a massive space rock in more than three decades. Scientists ruled out any chance of a collision but turned their telescopes skyward to learn more about the object known as 2005 YU55.