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Year's rare 3rd consecutive supermoon on September 9
This year is marked by a rare celestial phenomenon of month-wise three consecutive supermoons on July 12, August 10, and September 9. The moon is going to look about 14% bigger and 30% brighter than other full moons. So, on the 9th September night, go outside to marvel at moon's luminosity and size at night.

In scientific circles, the supermoon phenomenon is called the perigee-moon or perigee-syzygy . In astronomy, the term "syzygy" refers to the straight-line configuration of the sun, earth and moon. Thus, full moons vary in size because of the oval shape of its orbit and on September 9, it will be an extra-supermoon.

A supermoon or perigee-syzygy occurs when full moon makes closest approach to the Earth on its elliptical orbit and size of the lunar disc appears bigger. The opposite phenomenon, an apogee-syzygy, is called a micromoon which passes off un-noticed.

According to the scientists, the next supermoon is going to happen around September 28, 2015. Many functionaries of planetariums, science club members and sky-watchers and star-gazers will spend the night out to watch the bigger and brighter moon. 

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