Photos: Halloween 2020 Blue Moon brightens the night sky
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Photos: Halloween Blue Moon brightens the night sky The full Blue Moon and Hunter's Moon rises behind lower Manhattan and One World Trade Center in New York City on Halloween on October 31, 2020, as seen from Greenbrook Township, New Jersey. (Gary Hershorn/Getty Images)
Photos: Halloween Blue Moon brightens the night sky The Blue Moon, a second full moon in a month of the common calendar, rises over Ankara, Turkey on October 31, 2020. (Ercin Top/Anadolu Agency via Getty Images)
Photos: Halloween Blue Moon brightens the night sky The full moon rises over the outskirts of Frankfurt, Germany, Saturday, Oct. 31, 2020. The full moon is known as a Blue Moon. (AP Photo/Michael Probst)
Photos: Halloween Blue Moon brightens the night sky A person holding a witch's hat watches the Blue Moon rise over Castle Hill in Huddersfield, it will be the last full moon to fall on Halloween until 2039. (Danny Lawson/PA Images via Getty Images)
Photos: Halloween Blue Moon brightens the night sky The "blue moon", the second full moon of a calendar month, is seen over the Valle shantytown in Caracas, on October 31, 2020. (FEDERICO PARRA/AFP via Getty Images)
Photos: Halloween Blue Moon brightens the night sky A blue full moon rises behind the leaves of a Trident Maple Tree in Lawrence, Kan., Saturday, Oct. 31, 2020. (AP Photo/Orlin Wagner)
Photos: Halloween Blue Moon brightens the night sky A rare Halloween blue moon rises in the second half of an NCAA college football game between Boise State and Air Force, Saturday Oct. 31 2020, at Air Force Academy, Colo. (AP Photo/David Zalubowski)
Photos: Halloween Blue Moon brightens the night sky A rare Halloween blue moon moon rises over a bank of lights at Falcon Stadium in the second half of an NCAA college football game between Air Force and Boise State, Saturday, Oct. 31, 2020, at Air Force Academy, Colo. (AP Photo/David Zalubowski)
Photos: Halloween Blue Moon brightens the night sky The "blue moon", the second full moon of a calendar month, is seen over Lanus, Buenos Aires province, Argentina, on October 31, 2020. (ALEJANDRO PAGNI/AFP via Getty Images)
Photos: Halloween Blue Moon brightens the night sky A full moon is seen in Amman, capital of Jordan, on Oct. 31, 2020. (Xinhua/Mohammad Abu Ghosh via Getty Images)
Photos: Halloween Blue Moon brightens the night sky The "blue moon", the second full moon of a calendar month, is seen over the La Plata River, near a crane, in Buenos Aires, on October 31, 2020. (RONALDO SCHEMIDT/AFP via Getty Images)
Photos: Halloween Blue Moon brightens the night sky The full blue moon sets beyond an American flag Saturday, Oct. 31, 2020, in Kansas City, Mo. (AP Photo/Charlie Riedel)
Photos: Halloween Blue Moon brightens the night sky Blue Moon, a second full moon in a month of the common calendar, rises over Great Camlica Mosque, Istanbul, Turkey on October 31, 2020. (Isa Terli/Anadolu Agency via Getty Images)
Photos: Halloween Blue Moon brightens the night sky An airplane flies in front of a moon that has just begun to wane from full, as it rises on Halloween, Saturday, Oct. 31, 2020, near Graham, Wash. Saturday marked the first time since 1944 that a blue moon has been visible in all time zones on Halloween. (AP Photo/Ted S. Warren)
Photos: Halloween Blue Moon brightens the night sky Blue Moon, a second full moon in a month of the common calendar, rises behind hot-air balloons gliding over historical Cappadocia region, located in Central Anatolia's Nevsehir province, Turkey on November 01, 2020. (Ismail Duru/Anadolu Agency via Getty Images)
Photos: Halloween Blue Moon brightens the night sky A blue moon — the second full moon in the same month — rises on Halloween, Saturday, Oct. 31, 2020, as seen from Graham, Wash. Saturday marked the first time since 1944 that a blue moon has been visible in all time zones on Halloween. (AP Photo/Ted S. Warren)
