Got to keep this in mind, in 2013 comet C/2012 S1 (ISON) will visit the sun and the earth in Nov & Dec 2013.
Editor’s note: Space blogs are abuzz about the recent discovery of comet C/2012 S1 (ISON), which has the potential to be a bright one late next year. I turned to amateur astronomer Bill Gray to ask for more details and whether I should be getting excited about this comet yet. Here’s what he told me. –Emily Lakdawalla