How did the blue moon get its name?



  1. 0 Votes

    A blue moon, the second full moon in the span of a month, originally was called blue around 1883. This was right after Krakatoa erupted, sending ash into the air. There was enough that the moon looked blue through all the dust. This is how we got “once in a blue moon,” whose name was later switched with harvest moon, to get what we now call a blue moon.

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