UK. 10th Aug, 2014. The 'Supermoon' effect is caused when the moon is at its closest to the Earth when the moon appears 14% larger and 30% brighter than a normal full moon.

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UK. 10th Aug, 2014. The 'Supermoon' effect is caused when the moon is at its closest to the Earth when the moon appears 14% larger and 30% brighter than a normal full moon. © David Cole/Alamy Live News

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Photo credit: © David Cole / Alamy / Afripics
License: Licensed
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Keywords: brightest, closest, doomsday, full, largest, moon, supermoon