Blue Moon - color enhanced photo courtesy of space.com Today is a relatively uncommon occurrence...there is a Blue Moon. OK, OK, so the moon is not actually blue, that's a name that came about years ago. Simply put, the Blue Moon refers to the second full moon in a one month period. Normally of course, there is just one full moon in a month, so there would be twelve per year. This year, the first full moon was on Aug 2nd and today, the 31st, is the second one. We'll have thirteen full moons this year. The last one occurred in December 2009. If you miss this today, you'll have to wait around until July 2015 for the next one. It is this long period of time that helped coin the phrase " once in a blue moon ", to describe a rare/unusual event. When was the last time you said something only gets done once in a blue moon? Well today is your chance! Do it! Ironically, today is also when the first man on the moon, Neil Armstrong, is...