Its fairly rare, but sometimes a second new moon may appear in a month, called a 'blue moon'.
A second full moon in a month is a blue moon.
A blue moon.
Blue Moon
The second full moon in a month is called a "blue moon."
The second full moon of any month is called a 'blue moon'. It is a rare occurrence. The saying 'once in a blue moon' means that something does not happen very often.
Its called blue moon.
The common name for the second full moon in a calendar month is a "blue moon". Pop quiz; what month can NEVER have a blue moon? Answer: February.
A blue moon.
The second is called a blue moon.
When there are two full moons in a single calendar month, the second full moon is called a "Blue Moon." This phenomenon occurs approximately once every 2.7 years.
That's a "Blue Moon" . . . the second Full Moon in the same CALENDAR month.The cycle of moon-phases is 29 days, so there has to be a full moon on the 1st or 2nd of the month,in order to have another one before the end of the month.December 2009 will have Full Moons on the 2nd and the 31st. That will be the first time in a little over 3 years.
The second full moon in a month is commonly referred to as a "Blue Moon." This phenomenon occurs approximately every 2.7 years because the lunar cycle is about 29.5 days.