Cansu
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What is the rarest moon called?
The word came from the phrase 'Once in a Blue Moon' means something is rare. Blue Moon happens once in every two or three years. Second, the super moon happens when the full moon approximately coincides with the moon's perigee, or a point in its orbit at which it is closest to Earth.
The word came from the phrase 'Once in a Blue Moon' means something is rare. Blue Moon happens once in every two or three years. Second, the super moon happens when the full moon approximately coincides with the moon's perigee, or a point in its orbit at which it is closest to Earth.