The August supermoon was 31,000 miles closer to Earth than any other full moons this year.

AP Photo/Alik Keplicz
The supermoon rises above a Jesus Christ statue in front of the Holy Cross church in Warsaw, Poland, Sunday, Aug. 10, 2014. The phenomenon, which scientists call a "perigee moon," occurs when the moon is near the horizon and appears larger and brighter than other full moons.