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This Friday, Much Of The World Will Be Seeing A Blue Moon

PHILADELPHIA (CBS) -- This Friday, much of the world will be seeing a Blue Moon.

It has nothing to do with the moon's color.

Chopper 3 captured this shot of the moon Wednesday night.

moon
(credit: CBS3)

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During most years, the earth experiences 12 full moons, one in each month.

But in some years, like this year, we have 13 full moons.

And that extra lunar display gets the label of Blue Moon.

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