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In Pictures: The spectacle of the 'Supermoon'
The term "supermoon" is one borrowed from astrology. Scientists would prefer to call the phenomenon a perigee moon, or perigee-syzygy of the Earth-moon-sun system. In lay terms, it's when a full moon coincides with its closest approach to Earth. There was one this weekend, which caught the attention of photographers and casual observers around the globe. Some highlights of which are in the gallery below.
