In this September 1, 2014 file photo, a Southwest Air flight crosses over a crescent moon as it passes over Whittier, Calif. Southwest Air reports earnings later Thursday April 23, 2015. (Photo by Nick Ut/AP Photo)

The moon rises over people gathered on Glastonbury Tor ahead of tomorrow's Blue Moon on July 30, 2015 in Somerset, England. The full moon appearing on July 31 will be what's called a Blue Moon, which refers to the second of two full moons appearing in the same calendar month. The last time this happened was in 2012 and there isn't due another until 2018. (Photo by Matt Cardy/Getty Images)

The full moon rises over the illuminated Kazan Kremlin with the Qol Sharif mosque illuminated in Kazan, the capital of Tatarstan, located in Russia's Volga River area about 700 km (450 miles) east of Moscow, early Wednesday, July, 29, 2015. (Photo by Denis Tyrin/AP Photo)

A girl is silhouetted against a rising full moon as she ride an attraction at Worlds of Fun amusement park Thursday, July 30, 2015, in Kansas City, Mo. (Photo by Charlie Riedel/AP Photo)

In this handout provided by the National Aeronautics and Space Administration (NASA), a second full moon for the month of July rises behind the dome of the U.S. Capitol on July 31, 2015 in Washington, DC. (Photo by Bill Ingalls/NASA via Getty Images)

In this January 31, 2010 file photo, an unmanned U.S. Predator drone flies over Kandahar Air Field, southern Afghanistan, on a moon-lit night. (Photo by Kirsty Wigglesworth/AP Photo)

A cyclist rides his mountain bike as a full moon, known as the Blue Moon, rises in a park in Rome, Italy, July 31, 2015. (Photo by Max Rossi/Reuters)

An EgyptAir passenger plane flies over the full moon during the CAF Champions League soccer match between Egypt's Al-Ahly and Morocco's Moghreb Tetouan at Petro Sport stadium in Cairo, May 2, 2015. (Photo by Amr Abdallah Dalsh/Reuters)

The moon rises over the Nairobi National Park as seen from the Impala Observation Point, as Secretary of State John Kerry visits, Sunday, May 3, 2015, in Nairobi, Kenya. (Photo by Andrew Harnik/Reuters)

A silhouetted airplane flies past a full moon over Istanbul, Turkey May 5, 2015. (Photo by Osman Orsal/Reuters)

A blue moon rises behind Brooklyn seen from Liberty State Park in Jersey City, N.J., Friday, July 31, 2015. (Photo by Julio Cortez/AP Photo)

A multimedia laser and LED lighting show plays above a newly-built full-scale replica of the Old Summer Palace, also known as Yuanmingyuan, in Dongyang, Zhejiang province, China, May 9, 2015. (Photo by Reuters/Stringer)

The moon rises above the weather vane at the All England Lawn Tennis and Croquet Club which hosts the Wimbledon Tennis Championships in London, June 30, 2015. (Photo by Toby Melville/Reuters)

The moon rises above a church on the Greek island of Santorini, Greece, July 1, 2015. (Photo by Cathal McNaughton/Reuters)

The full moon rises above the Tour de Mayen and Tour d'Ai in the Swiss Alps in this picture taken from Chardonne near Vevey, Switzerland, July 1, 2015. (Photo by Denis Balibouse/Reuters)

A Delta airlines commuter jet lands at LaGuardia airport in in New York in an August 28, 2012 file photo. (Photo by Eduardo Munoz/Reuters)

The effect known as Blue Moon is seen next to the Statue of Liberty in New York July 31, 2015. The Blue Moon effect refers to the second full moon in a calendar month, local media informed. (Photo by Eduardo Munoz/Reuters)

The effect known as Blue Moon is seen over the Statue of Liberty in New York July 31, 2015. (Photo by Eduardo Munoz/Reuters)

A full moon, known as the Blue Moon, is seen over the Staten Island Ferry while it makes its way to New York July 31, 2015. (Photo by Eduardo Munoz/Reuters)

A Fed Ex cargo airplane passes over Whittier, Calif., on its way to Los Angeles International Airport, Sunday, July 26, 2015. (Photo by Nick Ut/AP Photo)

A full moon, known as the Blue Moon is seen over Loosely Row, near Princes Risborough, southeast England, July 31, 2015. (Photo by Eddie Keogh/Reuters)

The moon rises over people gathered on Glastonbury Tor ahead of tomorrow's Blue Moon on July 30, 2015 in Somerset, England. (Photo by Matt Cardy/Getty Images)

In this handout provided by the National Aeronautics and Space Administration (NASA), a second full moon for the month of July rises behind the dome of the U.S. Capitol on July 31, 2015 in Washington, DC. In recent years, people have been using the name Blue Moon for the second of two full moons in a single calendar month. An older definition of Blue Moon is that it is the third of four full moons in a single season. (Photo by Bill Ingalls/NASA via Getty Images)

A so-called “blue moon”, which typically refers to a second full moon appearance within the same month, rises over the Lake Michigan horizon in Milwaukee, Wis. Friday, July 31, 2015. (Photo by John Hart/Wisconsin State Journal via AP Photo)

People are silhouetted against a rising blue moon as they ride an attraction at Worlds of Fun amusement park camp Friday, July 31, 2015, in Kansas City, Mo. A blue moon happens when the moon rises in its full stage twice during the same month. (Photo by Charlie Riedel/AP Photo)

A blue moon rises behind the US Cellular Field lights during the eighth inning of a baseball game between the Chicago White Sox and the New York Yankees in Chicago, Friday, July 31, 2015. A blue moon happens when the moon rises in its full stage twice during the same month. (Photo by Jeff Haynes/AP Photo)

A not so blue, Blue Moon rises over a set of silos south of Marshfield, Wis., Friday, July 31, 2015. A second full moon in a calendar month is commonly called a Blue Moon and this is the second full moon in July. (Photo by Dan Young/The Marshfield News-Herald via AP Photo)

An American Airlines passenger airplane from Miami crosses a blue moon over Whittier, Calif., as it heads to Los Angeles Airport, Friday, July 31, 2015. (Photo by Nick Ut/AP Photo)

Fireworks explode as the blue moon rises in the distance at Worlds of Fun amusement park Friday, July 31, 2015, in Kansas City, Mo. (Photo by Charlie Riedel/AP Photo)

A bird flies over the National Stadium as the moon shines in the evening sky in Santiago, Chile, Sunday, June 28, 2015. (Photo by Luis Hidalgo/AP Photo)

In this September 11, 2014, file photo, the angel Moroni statue sits atop the Salt Lake Temple, at Temple Square, in Salt Lake City. (Photo by Rick Bowmer/AP Photo)

A general view shows a plane flying in front of the full moon over Rio de Janeiro, Brazil, 05 May 2015. (Photo by Marcelo Sayao/EPA)

The moon rises as people sit on rides at the State Fair Meadowlands, Wednesday, July 1, 2015, in East Rutherford, N.J. The fair closes on Sunday. (Photo by Julio Cortez/AP Photo)

A blue moon rises behind the torch of the Statue of Liberty seen from Liberty State Park in Jersey City, N.J., Friday, July 31, 2015. (Photo by Julio Cortez/AP Photo)

A blue moon rises behind Brooklyn seen from Liberty State Park in Jersey City, N.J., Friday, July 31, 2015. (Photo by Julio Cortez/AP Photo)