CAPE CANAVER, Fla. (AP) — Monday's supermoon is the first of four this year.
During a supermoon, the full moon is closer to Earth than usual. A supermoon isn't huge, but it can appear this way in the night sky, although scientists say the difference is barely noticeable.
September's supermoon will coincide with a partial lunar eclipse. October will be the closest day of the year and November will be the last day of the year.
A supermoon, a more popular term rather than a scientific one, occurs when a full moon synchronizes with a particularly close wobble around the Earth. Given the Moon's ever-moving elliptical orbit, this usually only happens three or four times a year in a row.
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