Blue Moon Set For August 31, 2012, With Next One Occurring In 2015:
"In fact, "blue moon" refers not to color, but to rarity. Blue moons are defined as either the fourth full moon in a season, or, more recently, as the second full moon in a month. It's the second definition that covers August's blue moon; the month's first full moon was on Aug. 1."
Thursday, August 30, 2012
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