http://tinyurl.com/ab8y6zt
January 5, 2013 - Astrobiology Magazine
Using the Gemini North telescope on Mauna Kea, Hawaii, a team of
astronomers from the University of Hawaii’s Institute for Astronomy
(IfA) have confirmed that the chance of asteroid 2011 AG5 impacting Earth
in 2040 is no longer a significant risk -- prompting a collective
sigh-of-relief. Previously, scientists estimated that the risk of this
140-meter-diameter (about the length of two American football fields)
asteroid colliding with the Earth was as high as one in 500.
...