supermoon

Supermoon Appears Big And Bright In Night Sky...LAS VEGAS, NV - SEPTEMBER 09:  The supermoon rises east of the South Point Hotel & Casino on September 9, 2014 in Las Vegas, Nevada.  A supermoon occurs when a full moon coincides with its perigee, which is its closest approach to the Earth.  To have three in such close proximity is very rare and it is not expected that this will happen again until 2034. (Photo by Ethan Miller/Getty Images)

Ethan Miller/Getty

The supermoon rises east of the South Point Hotel & Casino in Las Vegas, Nevada. A supermoon occurs when a full moon coincides with its perigee, its closest approach to the Earth. Last night’s was the third of 2014, a frequency unlikely to happen again until 2034 

An airplane passes a nearly full moon as it makes its approach to Philadelphia International Airport, in Philadelphia. Monday night's full moon, also known as a Harvest Moon, will be the third and final "supermoon" of 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.

Matt Rourke/AP

An airplane passes a full moon as it makes its approach to Philadelphia International Airport, in Philadelphia. Monday night’s full moon, also known as a Harvest Moon, will be the third and final “supermoon” of 2014

The super moon behind the Christ the Redeemer statue in Rio de Janeiro August 11, 2014. Occurring when a full moon or new moon coincides with the closest approach the moon makes to the Earth, the supermoon results in a larger-than-usual appearance of the lunar disk.

Pilar Olivares/Reuters

The supermoon behind the Christ the Redeemer statue in Rio de Janeiro

An airplane flies past the supermoon near Madrid, Spain early on Monday. The 'supermoon' filled the sky on 23rd June and looked 14 per cent bigger and 30 per cent brighter than normal, which is the closest approach to Earth.

Chema Moya/EPA

An aeroplane flies past the moon near Madrid, Spain, early on Monday. The ‘supermoon’ filled the sky on June 23 and looked 14 per cent bigger and 30 per cent brighter than normal, which is the closest approach to Earth.