A "super blue blood moon" is seen on Wednesday, January 31, 2018, over Los Angeles. The <a href="index.php?page=&url=https%3A%2F%2Fwww.cnn.com%2F2018%2F01%2F26%2Fworld%2Fsuper-blue-blood-moon-guide-2018-intl%2Findex.html" target="_blank">rare phenomenon</a> occurs when a supermoon, a blue moon and a total lunar eclipse all occur at the same time.
A "super blue blood moon" is seen on Wednesday, January 31, 2018, over Los Angeles. The rare phenomenon occurs when a supermoon, a blue moon and a total lunar eclipse all occur at the same time.
Richard Vogel/AP
Bicyclists take photos of the supermoon in Lancelin, Australia.
Bicyclists take photos of the supermoon in Lancelin, Australia.
Paul Kane/Getty Images
The moon rises over the head of a Chinese dragon statue at a Buddhist temple in Bangkok, Thailand.
The moon rises over the head of a Chinese dragon statue at a Buddhist temple in Bangkok, Thailand.
ROBERTO SCHMIDT/AFP/Getty Images
The moon is seen during a lunar eclipse in Jakarta, Indonesia.
The moon is seen during a lunar eclipse in Jakarta, Indonesia.
BAY ISMOYO/AFP/AFP/Getty Images
The supermoon is seen behind the US flag at Santa Monica Beach in Santa Monica, California.
The supermoon is seen behind the US flag at Santa Monica Beach in Santa Monica, California.
Ringo H.W. Chiu/AP
The moon rises over a pagoda in Kumal, Myanmar.
The moon rises over a pagoda in Kumal, Myanmar.
YE AUNG THU/AFP/Getty Images
People use telescopes to view the moon at Victoria Harbor in Hong Kong.
People use telescopes to view the moon at Victoria Harbor in Hong Kong.
Kin Cheung/AP
The moon rises over hills near the city of Yuzhno-Sakhalinsk on Sakhalin Island in Russia's Far East.
The moon rises over hills near the city of Yuzhno-Sakhalinsk on Sakhalin Island in Russia's Far East.
Sergei Krasnoukhov/TASS
The supermoon rises over an Olympic rings installation at the Alpensia Ski Jumping Center, a venue of the upcoming Winter Olympic Games in Pyeongchang, South Korea.
The supermoon rises over an Olympic rings installation at the Alpensia Ski Jumping Center, a venue of the upcoming Winter Olympic Games in Pyeongchang, South Korea.
CHRISTIAN BRUNA/EPA-EFE
The supermoon is seen above the Grand Palace in Bangkok, Thailand.
The supermoon is seen above the Grand Palace in Bangkok, Thailand.
Sakchai Lalit/AP
The supermoon is seen over trees in Yuzhno-Sakhalinsk on Sakhalin Island in Russia's Far East.
The supermoon is seen over trees in Yuzhno-Sakhalinsk on Sakhalin Island in Russia's Far East.
Sergei Krasnoukhov/TASS via Getty Images
The supermoon sets behind the Statue of Liberty in New York.
The supermoon sets behind the Statue of Liberty in New York.
JUSTIN LANE/EPA-EFE
The moon is seen behind a Ferris wheel at Santa Monica Beach in Santa Monica, California.
The moon is seen behind a Ferris wheel at Santa Monica Beach in Santa Monica, California.
Ringo H.W. Chiu/AP
The supermoon is framed by a cross in Beirut, Lebanon.
The supermoon is framed by a cross in Beirut, Lebanon.
WAEL HAMZEH/EPA-EFE
The shadow of Earth passes across the supermoon during a total lunar eclipse, as seen from Los Angeles.
The shadow of Earth passes across the supermoon during a total lunar eclipse, as seen from Los Angeles.
Richard Vogel/AP
A plane flies into view with the moon in Hong Kong.
A plane flies into view with the moon in Hong Kong.
Kin Cheung/AP
The full moon shines over a monument in Vladivostok, Russia.
The full moon shines over a monument in Vladivostok, Russia.
Yevgeny Uvarov/AP
The supermoon sets behind buildings in Jerusalem.
The supermoon sets behind buildings in Jerusalem.
MENAHEM KAHANA/AFP/AFP/Getty Images
A cable car gondola moves past the moon in Singapore.
A cable car gondola moves past the moon in Singapore.
ROSLAN RAHMAN/AFP/AFP/Getty Images
The supermoon passes over the tower of the Lakhta Center in St. Petersburg, Russia.
The supermoon passes over the tower of the Lakhta Center in St. Petersburg, Russia.
Peter Kovalev/TASS via Getty Images
The supermoon silhouettes Fort Salgo in Salgotarjan, Hungary.
The supermoon silhouettes Fort Salgo in Salgotarjan, Hungary.
PETER KOMKA/MTI/EPA-EFE
People gather to watch the supermoon in Beijing.
People gather to watch the supermoon in Beijing.
WU HONG/EPA/EPA-EFE
A man takes a photo of the supermoon rising in Beijing.
A man takes a photo of the supermoon rising in Beijing.
WU HONG/EPA/EPA-EFE