That supermoon will also be the second full moon of the month, making it a "super blue moon". "Sometimes during the year we get an opportunity to see the full moon when it is at its closest point and that's what we'll be seeing on December 3".
A supermoon occurs when a full or new moon coincides with the lunar orb being particularly close to earth in its cycle.
Another term for a supermoon is "perigee syzygy", with syzygy describing the alignment of the moon, Earth, and sun in a straight line. The Moon's orbit around our planet is tilted so it usually falls above or below the shadow of the Earth. "The difference in distance between these close and far points can be as much as about 30,000 miles".
The supermoon will also showcase the bigger size than average moon on the following days.
The best times to see it, experts say, are right after sundown and just before sunrise the next day. When this happened a year ago, the moon appeared up to 14 percent larger and 30 percent brighter than normal.
A bright treat will greet skygazers Sunday night. If you want to celebrate the year's most super supermoon as a holiday for moongazers, I don't see anything wrong with that.
While the moon is undoubtedly both bigger and brighter than usual, our eyes tend to trick us into seeing the moon as larger than it truly is.
The first - and final - supermoon of 2017 will begin around 8 p.m. Sunday and reach its perigee at 3:45 a.m. Monday.
Going to miss Sunday's supermoon? Even so, the supermoon is still worth viewing.
A Blue Moon can be a supermoon, just like any other full moon. "Some people perceive the rising moon as twice as large...", said Paranjpye.
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