A total solar eclipse occurred on June 20, 1955. A solar eclipse occurs when the Moon passes between Earth and the

Sun The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radi ...

, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A total solar eclipse occurs when the Moon's

apparent diameter The angular diameter, angular size, apparent diameter, or apparent size is an angular distance describing how large a sphere or circle appears from a given point of view. In the vision sciences, it is called the visual angle, and in optics, it ...

is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. With a maximum duration of 7 minutes 7.74 seconds, this is the longest solar eclipse of saros series 136, as well as the longest total solar eclipse since the 11th century, and until the

22nd century In contemporary history, the third millennium of the anno Domini or Common Era in the Gregorian calendar is the current millennium spanning the years 2001 to 3000 ( 21st to 30th centuries). Ongoing futures studies seek to understand what is l ...

, because greatest eclipse occurred near the Equator. Totality beginning over the Indian Ocean, British Seychelles (today's

Seychelles Seychelles (, ; ), officially the Republic of Seychelles (french: link=no, République des Seychelles; Creole: ''La Repiblik Sesel''), is an archipelagic state consisting of 115 islands in the Indian Ocean. Its capital and largest city, ...

) and Maldives, crossing Ceylon (name changed to Sri Lanka later) including the capital city Colombo,

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Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

, Thailand including the capital city

Bangkok Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estimated populatio ...

Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand ...

, Laos, South Vietnam (now belonging to Vietnam), Paracel Islands and

Scarborough Shoal Scarborough Shoal, also known as Bajo de Masinloc (in Spanish), Panatag Shoal ( fil, Kulumpol ng Panatag, lit=serene cluster), Huangyan Island (Mandarin zh, c=黄岩岛, p=Huáng Yán Dǎo, l=yellow rock island), and Democracy Reef, are two ro ...

(near the greatest eclipse), moving across the Philippines including the capital city Manila,

Kayangel Kayangel (Ngcheangel) is the northernmost state of Palau north of Koror. The land area is about . The population is 54 (2015 census). History The state was colonized by Spain from the end of the 16th century until 1899 when the territory was ...

Atoll in the Trust Territory of the Pacific Islands (now belonging to Palau), Nukumanu Islands in the Territory of Papua New Guinea (today's Papua New Guinea), towards northern

Ontong Java Atoll Ontong Java Atoll or Luangiua, (formerly ''Lord Howe Atoll'', not to be confused with Lord Howe Island) is one of the largest atolls on earth. Geographically it belongs to a scattered group of three atolls which includes nearby Nukumanu Atol ...

British Solomon Islands The British Solomon Islands Protectorate was first declared over the southern Solomons in 1893, when Captain Gibson, R.N., of , declared the southern islands a British protectorate. Other islands were subsequently declared to form part o ...

(today's Solomon Islands) ending over Southwestern Pacific Ocean. It was the second central solar eclipse visible from Bangkok from

1948 Events January * January 1 ** The General Agreement on Tariffs and Trade (GATT) is inaugurated. ** The Constitution of New Jersey (later subject to amendment) goes into effect. ** The railways of Britain are nationalized, to form British ...

1958 Events January * January 1 – The European Economic Community (EEC) comes into being. * January 3 – The West Indies Federation is formed. * January 4 ** Edmund Hillary's Commonwealth Trans-Antarctic Expedition completes the third ...

, where it is rare for a large city to witness 4 central solar eclipses in just 9.945 years.

Related eclipses

Solar eclipses of 1953–1956

Saros 136

Inex series

Metonic series

Notes

References

Photometry of the Solar Corona at the Eclipse on June 20, 1955, Publications of the Astronomical Society of Japan, vol. 8, p.126 (1956).

Nasa.gov
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