New comet will fly by in 2013! And it could be brighter than the Full Moon

Russian astronomers using the International Scientific Optical Network's (ISON) telescope have discovered a comet that's scheduled to make its closest appearance to Earth in December of 2013. Called C/2012 S1, it's expected to be the brighest visitor to our solar system in the past century — a comet that'll be… »9/27/12 1:30pm9/27/12 1:30pm