“An aircraft carrier-sized asteroid will make a safe, close flyby of Earth…”

If the calculations are correct, the 400m-wide asteroid 2005 YU55 will make a safe, close flyby of Earth at around half past eleven tonight (11.28pm GMT).  [If?! – Ed]  If not, we’ll have a wondrous new scar to boast about!  Radar image of asteroid 2005 YU55 obtained on Nov. 7, 2011, at 11:45 a.m. PST (2:45 p.m. EST/1945 UTC), when the asteroid was at 3.6 lunar distances, which is about 860,000 miles, or 1.38 million kilometers, from Earth. [Image credit: NASA/JPL-Caltech] And with its …

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