A supermoon happens when there’s a Full Moon or New Moon at the same time as the Moon’s closest approach to the Earth; perigee. It’s also known as Super Full Moon, Supoer New Moon and Perigee Moon.

The Next Super Moons
| Year | Date |
|---|---|
| 2015 | Sunday, September 27 |
| 2016 | Monday, November 14 |
| 2017 | Sunday, December 3 |
Because the Moon’s orbit around Earth is elliptical, thedistance from moon to Earth varies throughout the month and year. On average the distance is about 238,000 miles or 382,900 kilometers.
During a month, when the moon is closest to Earth it’s called perigee and when it’s farthest away from Earth it’s called apogee.
When the Full Moon or New Moon coincides with being closest to Earth, or perigee, it is called a supermoon.
When the Moon is at the opposite end, farthest…
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