“Blue Moon”

A rare “blue moon” is ushering out July. The term has nothing to do with the moon’s color, but its definition is based on a mistake published in a popular astronomy magazine in 1946.
Learn more about this lunar wonder.
In spite of its name, a “blue moon” has nothing to do with the lunar orb’s color but commonly refers to the second of two full moons that occur in a single calendar month. According to the “Morris Dictionary of Word and Phrase Origins,” the ...
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