An annular

solar eclipse A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of the Earth, totally or partially. Such an alignment occurs during an eclipse season, approximately every six mo ...

occurred on January 25, 1963. A

occurs when the

Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width ...

passes between

Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surf ...

and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. An annular 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 ...

is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an

annulus Annulus (or anulus) or annular indicates a ring- or donut-shaped area or structure. It may refer to: Human anatomy * ''Anulus fibrosus disci intervertebralis'', spinal structure * Annulus of Zinn, a.k.a. annular tendon or ''anulus tendineus co ...

(ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. The path of annularity crossed

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the eas ...

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, t ...

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring count ...

, southern

Basutoland Basutoland was a British Crown colony that existed from 1884 to 1966 in present-day Lesotho. Though the Basotho (then known as Basuto) and their territory had been under British control starting in 1868 (and ruled by Cape Colony from 1871), ...

(today's

Lesotho Lesotho ( ), officially the Kingdom of Lesotho, is a country landlocked as an enclave in South Africa. It is situated in the Maloti Mountains and contains the highest mountains in Southern Africa. It has an area of over and has a populatio ...

) and

Malagasy Republic The Malagasy Republic ( mg, Repoblika Malagasy, french: République malgache) was a state situated in Southeast Africa. It was established in 1958 as an autonomous republic within the newly created French Community, became fully independent i ...

(today's

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

). Occurring 3.7 days before perigee (Perigee on January 29, 1963), the Moon's apparent diameter was larger. The moon was 374,860 km (232,927 mi) from the Earth. The moon's apparent diameter was 4.8 arcseconds larger than the July 20, 1963 total solar eclipse. This was an annular solar eclipse because it occurred in January and in January the earth is near its perihelion (closest approach to the Sun).

Related eclipses

Solar eclipses of 1961–1964

Saros 140

It is a part of Saros cycle 140, repeating every 18 years, 11 days, containing 71 events. The series started with partial solar eclipse on April 16, 1512. It contains total eclipses from July 21, 1656 through November 9, 1836, hybrid eclipses from November 20, 1854 through December 23, 1908, and annular eclipses from January 3, 1927 through December 7, 2485. The series ends at member 71 as a partial eclipse on June 1, 2774. The longest duration of totality was 4 minutes, 10 seconds on August 12, 1692.

Metonic series

Notes

References

1963 1 25 1963 in science 1963 01 25 January 1963 events {{Solar-eclipse-stub