Heads up! Supermoon is here

The full moon Saturday, July 12, 2014, in Nairobi, Kenya, the "supermoon" the nickname for full moons that happen when our celestial neighbor is relatively close to Earth and which are called a perigee moon by scientists. That distance varies because the moon follows an elliptical orbit. When it’s close and full, it appears bigger and brighter than normal, although in fact the difference can be hard to detect. (AP Photo/Sayyid Azim)
The full moon Saturday, July 12, 2014, in Nairobi, Kenya, the "supermoon" the nickname for full moons that happen when our celestial neighbor is relatively close to Earth and which are called a perigee moon by scientists. That distance varies because the moon follows an elliptical orbit. When it’s close and full, it appears bigger and brighter than normal, although in fact the difference can be hard to detect. (AP Photo/Sayyid Azim)

(AP) – Look! Up in the sky! It’s supermoon!

Because our celestial neighbor is relatively close to Earth, these full moons will appear to be unusually large. That distance varies because the moon follows an elliptical orbit. When it’s close and full, it appears bigger and brighter than normal, although the difference can be hard to detect.

The full moon Saturday may seem huge, but it’s just an illusion caused by its position in the sky.

Two other supermoons will come later this summer on Aug. 10 and Sept. 9.

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Online:

NASA on supermoons: http://1.usa.gov/1jxZkPt

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