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Basically, because the months we use are slightly longer than the lunar period (the time from one full moon to the next).

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13y ago

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Will the next blue moon happen over the US?

Blue Moons aren't like solar eclipses - they don't just happen to a certain part of the Earth. A blue moon is just the name for the event where a full moon happens twice in the same month; The second full moon in that month is called a "blue moon". You can see the moon from anywhere on the Earth in a 24 hour period, so yes, the next blue moon will happen "over" the US.


Is it possible to have a blue moon and a solar eclipse at the same time?

No. A blue moon happens when there is a second full moon. A solar eclipse happens when there is a new moon and it is right between the sun and the earth. But it is possible to have a blue moon and a lunar eclipse at the same time.


What percentage of people know what a blue moon is?

A blue Moon is when 2 full moons happen in 1 month.


When did Last Train to Blue Moon Canyon happen?

Last Train to Blue Moon Canyon happened in 2005.


Is it possible for moon to change its orbit?

its very possible but i doubt it will ever happen


What is the idiom for things that happen rarely?

"once in a blue moon"


When does a blue moon happen?

A blue moon is any full moon that happens to be the second full moon in a calendar month. Therefore blue moons invariably happen near the end of a month. As the lunar cycle is just about 28 days, it would be a very rare occurrence for one to happen at the end of February, but otherwise they are a natural phenomenon.


Is it possible for tornadoes to happen on the moon?

No. The moon has no atmosphere, and thus it cannot have tornadoes or any sort of weather.


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.


Why do people refer to an infrequent event as happening once in a blue moon?

A blue moon occurs when two full moons happen in one month. Since one full moon occurs every 28 days, it doesn't happen very often, hence the phrase.


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.


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".