Solar Eclipse Of September 12, 1950
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A total
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 Earth, totally or partially. Such an alignment occurs approximately every six months, during the eclipse season i ...
occurred at the Moon's
descending node An orbital node is either of the two points where an orbit intersects a plane of reference to which it is inclined. A non-inclined orbit, which is contained in the reference plane, has no nodes. Planes of reference Common planes of referenc ...
of orbit between Monday, September 11, 1950 and Tuesday, September 12, 1950, with a
magnitude Magnitude may refer to: Mathematics *Euclidean vector, a quantity defined by both its magnitude and its direction *Magnitude (mathematics), the relative size of an object *Norm (mathematics), a term for the size or length of a vector *Order of ...
of 1.0182. A
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 Earth, totally or partially. Such an alignment occurs approximately every six months, during the eclipse season i ...
occurs when the
Moon The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...
passes between
Earth Earth is the third planet from the Sun and the only astronomical object known to Planetary habitability, harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all ...
and the
Sun The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light a ...
, 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 separation (in units of angle) describing how large a sphere or circle appears from a given point of view. In the vision sciences, it is called the '' visual ...
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. Occurring about 3.2 days before
perigee An apsis (; ) is the farthest or nearest point in the orbit of a planetary body about its primary body. The line of apsides (also called apse line, or major axis of the orbit) is the line connecting the two extreme values. Apsides perta ...
(on September 15, 1950, at 8:20 UTC), the Moon's apparent diameter was larger. Totality was visible from eastern
Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
(today's
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
) on September 12 local time and the whole
Semichi Islands The Semichi Islands (Samiyan in Aleut; ) are a cluster of small islands in the Near Islands group of the Aleutian Islands, Alaska. They are located southeast of Attu Island and northeast of Agattu Island, near . Named islands in the group include ...
in
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
on September 11 local time. A partial eclipse was visible for parts of
Northeast Asia Northeast Asia or Northeastern Asia is a geographical Subregion#Asia, subregion of Asia. Its northeastern landmass and islands are bounded by the Pacific Ocean, North Pacific Ocean. The term Northeast Asia was popularized during the 1930s by Ame ...
,
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
,
Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...
, and northwest
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
.


Eclipse details

Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse.


Eclipse season

This eclipse is part of an
eclipse season An eclipse season is a period, roughly every six months, when eclipses occur. Eclipse seasons are the result of the axial parallelism of the Orbit of the Moon, Moon's orbital plane (orbital inclination, tilted five degrees to the ecliptic, Earth ...
, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a
fortnight A fortnight is a unit of time equal to 14 days (two weeks). The word derives from the Old English term , meaning "" (or "fourteen days", since the Anglo-Saxons counted by nights). Astronomy and tides In astronomy, a ''lunar fortnight'' is hal ...
.


Related eclipses


Eclipses in 1950

* An annular solar eclipse on March 18. * A total lunar eclipse on April 2. * A total solar eclipse on September 12. * A total lunar eclipse on September 26.


Metonic

* Preceded by:
Solar eclipse of November 23, 1946 A partial solar eclipse occurred at the Moon's descending node of orbit on Saturday, November 23, 1946, with a magnitude of 0.7758. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the imag ...
* Followed by:
Solar eclipse of June 30, 1954 A total solar eclipse occurred at the Moon's descending node of orbit on Wednesday, June 30, 1954, with a magnitude of 1.0357. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of ...


Tzolkinex

* Preceded by:
Solar eclipse of August 1, 1943 An annular solar eclipse occurred at the Moon's ascending node of orbit on Sunday, August 1, 1943, with a magnitude of 0.9409. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of ...
* Followed by:
Solar eclipse of October 23, 1957 A total solar eclipse occurred at the Moon's ascending node of orbit on Wednesday, October 23, 1957, with a magnitude of 1.0013. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image o ...


Half-Saros

* Preceded by: Lunar eclipse of September 5, 1941 * Followed by: Lunar eclipse of September 17, 1959


Tritos

* Preceded by:
Solar eclipse of October 12, 1939 A total solar eclipse occurred at the Moon's ascending node of orbit on Thursday, October 12, 1939, with a magnitude of 1.0266. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of ...
* Followed by: Solar eclipse of August 11, 1961


Solar Saros 124

* Preceded by:
Solar eclipse of August 31, 1932 A total solar eclipse occurred at the Moon's descending node of orbit between Wednesday, August 31 and Thursday, September 1, 1932, with a magnitude of 1.0257. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby tota ...
* Followed by:
Solar eclipse of September 22, 1968 A total solar eclipse occurred at the Moon's descending node of orbit on Sunday, September 22, 1968, with a magnitude of 1.0099. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image o ...


Inex

* Preceded by:
Solar eclipse of October 1, 1921 A total solar eclipse occurred at the Moon's ascending node of orbit on Saturday, October 1, 1921, with a magnitude of 1.0293. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of ...
* Followed by:
Solar eclipse of August 22, 1979 An annular solar eclipse occurred at the Moon's ascending node of orbit on Wednesday, August 22, 1979, with a magnitude of 0.9329. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image ...


Triad

* Preceded by: Solar eclipse of November 11, 1863 * Followed by:
Solar eclipse of July 13, 2037 A total solar eclipse will occur at the Moon's ascending node of orbit on Monday, July 13, 2037, with a magnitude of 1.0413. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of th ...


Solar eclipses of 1950–1953


Saros 124


Metonic series


Tritos series


Inex series


Notes


References

{{Solar eclipses 1950 09 12 1950 in science 1950 09 12 September 1950