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Supermoon June 2013 to Appear Saturday and Sunday

( [email protected] ) Jun 22, 2013 10:25 AM EDT
A perigee moon, known as a supermoon, will take place on Sunday night, with a preview of the full moon beginning Saturday night. The moon will appear both brighter and larger than a normal full moon because of its location in the lunar orbit.
The moon rises over the temple of Poseidon, the ancient Greek god of the seas, as tourists enjoy the sunset in Cape Sounion some 60 km east of Athens June 22, 2013. The moon will reach its full stage on Sunday, and is expected to be 13.5 percent closer to earth during a phenomenon known as supermoon. REUTERS/Yannis Behrakis

A perigee moon, known as a supermoon, will take place on Sunday night, with a preview of the full moon beginning Saturday night. The moon will appear both brighter and larger than a normal full moon because of its location in the lunar orbit.

A supermoon occurs when the moon, the earth, and the sun are in alignment near the lunar perigee - the point in the moon's orbit that is closest to the earth. A full perigee moon reflects the sun's light and will appear 30% brighter than usual in the sky.

There will have been three supermoons during the summer season, and this weekend's moon will appear to be the largest until August of 2014. The best time to see the supermoon is when it is on the horizon. It can be viewed starting Saturday night and will end on Sunday, when it will reach its closest point to earth. The next perigee moon will occur on July 22.