The celestial event, which is visible from Sunday to Wednesday morning, probably won’t happen again until 2037. A “blue” moon bears no connection to the color blue, and the moon won’t have a colorful tinge. Instead, a blue moon is used to describe what is effectively an additional full moon, one that violates the rule of thumb, that there is one full moon in a month, or three full moons in a season.
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FlyingSquid 5 points 2 years ago
A blue moon is just two full moons in a month. It really doesn't mean anything.
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