For the first time in almost twenty years, there's going to be a Blue Moon on New Year's Eve.
…Don't expect the Moon to actually turn blue, though. “The 'Blue Moon' is a creature of folklore,” explains [professor Philip Hiscock of the Dept. of Folklore at the Memorial University of Newfoundland]. “It's the second full Moon in a calendar month.” (NASA).
- Folklore of the Blue Moon — by Philip Hiscock of the Dept. of Folklore, Memorial University of Newfoundland
- Blue Moons and Lavender Suns — (Alaska Science Forum) yes, the Moon can really turn blue
- What’s a Blue Moon? According to the editors of Sky & Telescope, the definition of “blue moon” as the second full Moon in a month is a mistake, prompting some to cry “Bah, Humbug!”