blue moon

Tonight we will have the chance to see the last Blue Moon until the year 2015.  The term refers to a full moon that is the second within one month.  And no, it won’t actually blue.  The term refers more to something that is rare or unusual.

Blue moons occur because lunar months are not synched up perfectly with our calendar months. It takes the moon 29.5 days to orbit Earth, during which time we see the satellite go through all of its phases. But every calendar month (except February) has 30 or 31 days, so two full moons occasionally get squeezed into a single month.

So that’s something!  Now let’s have Frank sing us out…

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