VIDEO: & # 039; Blue Moon & # 039; as seen around the world,

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Great pictures of "Blue Moon" world

August 1, 2015 Updated at 03:27 clock BST

It was a rare opportunity, a unique event in the moon night sky, called a "Blue Moon" to testify.

When two full moons can be seen in a calendar month, the second is called Blue Moon.

It is a rarity that comes from the interaction between the lunar cycle - by 29.5 Days - and the human calendar in which months are long 28 to 31 days ago.

The next blue moon is not expected until 2018.

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