Blue Moon September 1, 2012? How the Moon Will Look on Saturday Night; Almost a Full Moon (Image)

People watch a full moon known as a "blue moon" rises over the skyline of New York from the Eagle Rock Reservation in West Orange, New Jersey, August 31, 2012. A full moon is referred to as a blue moon when it is the second full moon in a calendar month. (Photo : REUTERS/Gary Hershorn)

On Friday evening, August 31, 2012, people had the opportunity to observe the last "blue moon" or second full moon of a single month until the following one taking place in 2015.

A blue moon doesn't mean that the moon turns blue, but "blue" in this occasion simply means rare. This phenomenon occurs due to the length of calendar months and the duration of the moon to circumnavigate the Earth. A full orbit only takes 29.5 days, meaning that our 30 to 31 day months occasionally cram in two full moons.

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People from all over the U.S. or the northern hemisphere should have been able watch it whether they were in Canada or New York City, Los Angeles, Houston, Chicago, San Francisco, Washington D.C., Phoenix, Seattle, etc.

How will Moon Look Like on September 1st?

People may also be asking themselves what the September 1st skies will look like.

"What will the moon look like on Saturday night?" or "will the moon be almost a full moon?" are questions people may be asking themselves.

As a matter of fact, the moon on Saturday night will maintain its round shape and will resemble a full moon but its roundness will be barely carved on one side.

At first glance, people may not even notice that the moon on Saturday night is not a full moon but if they look closely and carefully they'll be able to tell that it is not a full moon.

Image of Moon on September 1, 2012

Images of what the September 1st moon will look like can be found here. 

The next blue moon is set to occur in July 2015.