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Moon is orbiting the earth in 28 days , and when earth is between the moon and sun, a full moon occurs as moon rise in the east and full moon remains visible through out the night in the sky.

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Q: Why does a full moon only happen about once a month?
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What event happen once every month?

a full moon


Why do we only see the full moon once a month?

Yes sometimes there are 2 full moons during one month. These do not happen very often and the second full moon is called a 'blue moon', hence the expression, "once in a blue moon".


Why do you see the full moon only once a month?

The moon takes one month to complete a revolution around the earth. A full moon occurs when the moon is on the opposite side of the earth from the sun (opposition). The full moon can only happen at this part of the lunar orbit, and it takes one month to complete the orbit; thus, full moon happens once a month.


Does a full moon come once a month?

Yes the moon comes out as full moon once every month


The second full moon in any month is called a?

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.


When does a full moon come out?

A full moon comes out once a month


Is a full moon once a month?

Yes!


How often does two full moons happen in one month?

Once in a blue moon! Well that is what the second full moon in a month is called, a blue moon. It is very irregular, sometimes it can happen multiple times a year or even two months in a row. Other times it can be years between them.


Does a full moon happen every month?

Yes it does , almost 3 times a mouth it happens. But sometimes it comes once or twice .!*


What is the origin of the expression Once in a blue moon?

Once in a very long time or takes ages to happen A "blue moon" is when there is a full moon twice in a calendar month-which IS rare, but occurs, on average, every 2.5 years.


What does the moon do around the earth once every month?

it becomes a full moon but sometimes the moon becomes full twice.


What are the names of the two full moons in one month?

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.