Comet ISON

Approaching comet may outshine the moon in 2013
In this image provided by NASA the Comet Lovejoy is visible near Earth's horizon in this nighttime image photographed by NASA astronaut Dan Burbank, Expedition 30 commander, onboard the International Space Station on Dec. 21, 2011. NASA says there is a new comet blazing toward Earth and it could outshine the full moon when it passes by at the end of next year--if it survives its close encounter with the sun. (AP file photo/NASA)
PASADENA, California--A comet blazing toward Earth could outshine the full moon when it passes by at the end of next year--if it survives its close encounter with the sun.
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