The most popular definition of a 'blue moon' is the second full moon in a calendar month.
The 'blue moon' phenomenon occurs when
Asked in UPPSC Upper Mains 2007 · Topic: Asteroids (Definition and General Characteristics of Asteroids)
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Answer: A. Two full moons occur in the same month.
The most popular definition of a 'blue moon' is the second full moon in a calendar month.