PHOTOS: Blue moon pics from around the world

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A picture taken on August 31, 2012 shows a full moon, the second in August also called 'blue moon', above the ancient Acropolis hill in Athens. AFP PHOTO/ LOUISA GOULIAMAKI (Photo credit should read LOUISA GOULIAMAKI/AFP/GettyImages)

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A full moon is seen behind tree branches in Skopje on August 31, 2012. According to NASA, this is the second time in August that a full moon is seen - the first was on August 1 to 2. This phenomenon, which is referred to as the 'blue moon', happens every two and a half years on average. AFP PHOTO/ROBERT ATANASOVSKI (Photo credit should read ROBERT ATANASOVSKI/AFP/GettyImages)

The full moon rises over Rio de Janeiro on August 31, 2012. According to NASA, this is the second time in August that a full moon is seen - the first was on August 1 to 2. This phenomenon, which is referred to as the 'blue moon', happens every two and a half years on average. AFP PHOTO/VANDERLEI ALMEIDA (Photo credit should read VANDERLEI ALMEIDA/AFP/GettyImages)

CINCINNATI, OH - AUGUST 31: In this handout provided by the National Aeronautics and Space Administration, a second full moon of the month, known as a Blue Moon, shines over the city August 31, 2012 in Cincinnati, Ohio. The family of Apollo 11 astronaut Neil Armstrong held a memorial service celebrating his life earlier in the day in Cincinnati. Armstrong, the first man to walk on the moon during the 1969 Apollo 11 mission, died August 25. He was 82. (Photo by Bill Ingalls/NASA via Getty Images)

A full moon is seen from Skopje on August 31, 2012. According to NASA, this is the second time in August that a full moon is seen - the first was on August 1 to 2. This phenomenon, which is referred to as the 'blue moon', happens every two and a half years on average. AFP PHOTO/ROBERT ATANASOVSKI (Photo credit should read ROBERT ATANASOVSKI/AFP/GettyImages)

A full moon is seen from Gaza City on August 31, 2012. According to NASA, this is the second time in this month that a full moon is seen - the first was on August 1 to 2. This phenomenon, which is referred to as the 'blue moon', happens every two and a half years on average. AFP PHOTO/MOHAMMED ABED (Photo credit should read MOHAMMED ABED/AFP/GettyImages

Greeks and tourists visit at the Roman Agora in Athens which is open all night as part of a full moon celebration on August 31, 2012. A number of archaeological sites and museums around Greece opened at night with events and concerts celebrating the second full moon of August, known as 'blue moon'. AFP PHOTO/ LOUISA GOULIAMAKI (Photo credit should read LOUISA GOULIAMAKI/AFP/GettyImages)

A full moon is seen behind the neon cross of a church in Skopje on August 31, 2012. According to NASA, this is the second time in August that a full moon is seen - the first was on August 1 to 2. This phenomenon, which is referred to as the 'blue moon', happens every two and a half years on average. AFP PHOTO/ROBERT ATANASOVSKI (Photo credit should read ROBERT ATANASOVSKI/AFP/GettyImages)