A supermoon is the coincidence of a full moon or a new moon with the closest approach the Moon makes to the Earth on its elliptical orbit, resulting in the largest apparent size of the lunar disk as seen from Earth. The most recent supermoon was seen yesterday on November 14, 2016, which was the closest to Earth since January 26, 1948. The next one like this will not occur until November 25, 2034.
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