What is a “Supermoon”?*

full super moon

A “Supermoon” is a full moon when it is closest to the Earth in its orbit. This causes the moon to seem bigger than usual, thus the name “Supermoon.” The scientific name for a “Supermoon” is a perigee-syzygy. The term “Supermoon” was created in 1979 by Richard Nolle, to create a simple name for everyone to use. A Full Moon around perigee occurs due to the moon orbiting closer to the Earth than usual. When the Moon is at the closest point to the earth, it is called a perigee, and it is around 363,000 kilometers away. When it is at the farthest point, it is called an apogee and it is around 405,500 kilometers away. When the Moon appears at perigee, it appears larger and brighter. There are around 12 to 13 full moons each year, but around three or four each year are classified a perigee-syzygy. The most recent Full Moon around perigee was on April 27th, 2021 and the next one will be on May 26th, 2021. There are claims that the such a Full Moon can cause natural disasters, but no evidence has been given to prove so. The only significant effect a Full Moon around perigee has on the Earth is tidal waves to be somewhat stronger, and making them rise higher by a few inches. The Full Moon around perigee is a spectacular event that many can view, and it is recommended to go to open areas to view the Moon and get the best view of it when it rises. It will reach “peak illumination” during the night, so be sure to get the best photos when it shines bright.

* Guest contributor Malek Al Said

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