Friday, July 31, 2015

The Blue Moon Rising

      The moon doesn't make its appearance above our neighbors' rooftop until about 35 minutes after moonrise.  
     Tonight's full moon fits the modern definition of a "blue moon."  That means it's the second full moon within a month.  An older way of defining a "blue moon" notes that it is the third full moon out of four in a season.
     Is it possible to have only only two full moons within three months?  Go to earthsky.org for questions and answers about blue moons and full moons.

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