Solar Eclipse Of September 10, 1923
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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
ascending 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 10, and Tuesday, September 11, 1923, 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 1.043. A solar eclipse 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 2.1 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 12, 1923, at 23:20 UTC), the Moon's apparent diameter was larger. The path of totality started at the southeastern tip of
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in
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
(now in
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 11, and crossed the
Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
, southwestern
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
including the whole
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, northwestern and northern
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
, Yucatan Peninsula,
British Honduras British Honduras was a Crown colony on the east coast of Central America — specifically located on the southern edge of the Yucatan Peninsula from 1783 to 1964, then a self-governing colony — renamed Belize from June 1973
(today's
Belize Belize is a country on the north-eastern coast of Central America. It is bordered by Mexico to the north, the Caribbean Sea to the east, and Guatemala to the west and south. It also shares a maritime boundary with Honduras to the southeast. P ...
), Swan Islands in Honduras, and two outlying reefs in
Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...
Serranilla Bank Serranilla Bank ( and ''Placer de la Serranilla'') is a partially submerged reef, with small uninhabited islets, in the western Caribbean Sea. It is situated about northeast of Punta Gorda, Nicaragua, and roughly southwest of Jamaica. The clo ...
and
Bajo Nuevo Bajo Nuevo Bank, also known as the Petrel Islands (), is a small, uninhabited reef with some small grass-covered islets, located in the western Caribbean Sea at , with a lighthouse on Low Cay at . The closest neighboring land feature is Serranil ...
, on September 10. The eclipse was over 90% in Los Angeles, San Diego, and Santa Barbara on the
Southern California Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural List of regions of California, region that generally comprises the southern portion of the U.S. state of California. Its densely populated coastal reg ...
coast. A partial eclipse was visible for parts of far east
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 ...
, northeastern Japan,
North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
,
Central America Central America is a subregion of North America. Its political boundaries are defined as bordering Mexico to the north, Colombia to the southeast, the Caribbean to the east, and the Pacific Ocean to the southwest. Central America is usually ...
, the
Caribbean The Caribbean ( , ; ; ; ) is a region in the middle of the Americas centered around the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean, mostly overlapping with the West Indies. Bordered by North America to the north, Central America ...
, and northern
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
.


Viewings

At Santa Catalina Island, off the coast of California, a large group of scientists gathered to observe the eclipse were foiled by clouds, with the ''Los Angeles Times'' saying that "nothing of the eclipse was seen save two glimpses that showed the crescent of the sun, a sickly, white watermelon rind with the wavering black moon and a few rags of black clouds fast blotting out the white light":
All day the scientists from Yerkes Observatory of the University of Chicago, from the University of Wisconsin, from Dearborn University, from Drake University and Carleton College, had rehearsed and rehearsed to the counting of the seconds and there they stood now while the moon covered the sun and the world was dark and still, and though the counter counted there was no possibility of taking pictures; no chance of seeing anything but that gray, blue, purple shadow moving across the sky.
Even as late as 11:30 when the eclipse began, the scientists had hopes. They had come thousands of miles, had worked hard, had spent much money, all for a few minutes of clear sky. They had worked in the sweltering sun for weeks and weeks 1302 feet above the sea. There had not been one moment of one day that was not flooded with sunshine. "And surely," said Prof. Edwin Frost of the University of Chicago, "surely we will have these few minutes today."
In
Bakersfield Bakersfield is a city in and the county seat of Kern County, California, United States. The city covers about near the southern end of the San Joaquin Valley, which is located in the Central Valley region. Bakersfield's population as of the ...
, where the last eclipse of the Sun had taken place 123 years earlier, many watched the eclipse from streets, chickens were confused, and "all the astronomical apparatus of Bakersfield" was trained on the eclipse. In
New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
the eclipse, while partial, was viewed successfully; in the area of totality, it was "studied by astronomers who
ere Ere or ERE may refer to: * ''Environmental and Resource Economics'', a peer-reviewed academic journal * ERE Informatique, one of the first French video game companies * Ere language, an Austronesian language * Ebi Ere (born 1981), American-Nigeria ...
depending on it to help them test out Einstein's famous
theory of relativity The theory of relativity usually encompasses two interrelated physics theories by Albert Einstein: special relativity and general relativity, proposed and published in 1905 and 1915, respectively. Special relativity applies to all physical ph ...
and whether light rays are bent by the attraction of gravity". A team from the
University of Arizona The University of Arizona (Arizona, U of A, UArizona, or UA) is a Public university, public Land-grant university, land-grant research university in Tucson, Arizona, United States. Founded in 1885 by the 13th Arizona Territorial Legislature, it ...
took images of the
corona Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus or disease responsible for the COVID-19 ...
in
Puerto Libertad, Sonora Puerto Libertad is a fishing town and port of the Mexican state of Sonora, Mexico. It is located on the north coast of the Gulf of California, in the municipality of Pitiquito. Houston based Mexico Pacific Limited LLC has been building an LNG plant ...
, Mexico, on the east coast of the
Gulf of California The Gulf of California (), also known as the Sea of Cortés (''Mar de Cortés'') or Sea of Cortez, or less commonly as the Vermilion Sea (''Mar Vermejo''), is a marginal sea of the Pacific Ocean that separates the Baja California peninsula from ...
. A team from
Sproul Observatory Sproul Observatory was an astronomical observatory owned and operated by Swarthmore College. It was located in Swarthmore, Pennsylvania, United States, and named after William Cameron Sproul, the 27th Governor of Pennsylvania, who graduated f ...
observed it in Yerbanís in eastern
Durango Durango, officially the Free and Sovereign State of Durango, is one of the 31 states which make up the Political divisions of Mexico, 32 Federal Entities of Mexico, situated in the northwest portion of the country. With a population of 1,832,650 ...
state, Mexico.


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 1923

* A partial lunar eclipse on March 3. * An annular solar eclipse on March 17. * A partial lunar eclipse on August 26. * A total solar eclipse on September 10.


Metonic

* Preceded by: Solar eclipse of November 22, 1919 * Followed by:
Solar eclipse of June 29, 1927 A total solar eclipse occurred at the Moon's Lunar node, ascending node of orbit between Tuesday, June 28 and Wednesday, June 29, 1927, with a Magnitude of eclipse, magnitude of 1.0128. A solar eclipse occurs when the Moon passes between Earth and ...


Tzolkinex

* Preceded by:
Solar eclipse of July 30, 1916 Solar may refer to: Astronomy * Of or relating to the Sun ** Solar telescope, a special purpose telescope used to observe the Sun ** A device that utilizes solar energy (e.g. "solar panels") ** Solar calendar, a calendar whose dates indicate ...
* Followed by:
Solar eclipse of October 21, 1930 A total solar eclipse occurred at the Moon's descending node of orbit between Tuesday, October 21 and Wednesday, October 22, 1930, with a magnitude of 1.023. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or ...


Half-Saros

* Preceded by: Lunar eclipse of September 4, 1914 * Followed by: Lunar eclipse of September 14, 1932


Tritos

* Preceded by:
Solar eclipse of October 10, 1912 A total solar eclipse occurred at the Moon's descending node of orbit on Thursday, October 10, 1912, with a magnitude of 1.0229. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image o ...
* Followed by:
Solar eclipse of August 10, 1934 An annular solar eclipse occurred at the Moon's descending node of orbit on Friday, August 10, 1934, with a magnitude of 0.9436. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image ...


Solar Saros 143

* Preceded by:
Solar eclipse of August 30, 1905 A total solar eclipse occurred at the Moon's ascending node of orbit on Wednesday, August 30, 1905, with a magnitude of 1.0477. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image o ...
* Followed by:
Solar eclipse of September 21, 1941 A total solar eclipse occurred at the Moon's ascending node of orbit on Sunday, September 21, 1941, with a magnitude of 1.0379. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of ...


Inex

* Preceded by:
Solar eclipse of September 29, 1894 Solar may refer to: Astronomy * Of or relating to the Sun ** Solar telescope, a special purpose telescope used to observe the Sun ** A device that utilizes solar energy (e.g. "solar panels") ** Solar calendar, a calendar whose dates indicate t ...
* Followed by: Solar eclipse of August 20, 1952


Triad

* Preceded by: Solar eclipse of November 9, 1836 * Followed by: Solar eclipse of July 11, 2010


Solar eclipses of 1921–1924


Saros 143


Metonic series


Tritos series


Inex series


Notes


References


Foto and sketchs of Solar Corona September 10, 1923
{{DEFAULTSORT:Solar Eclipse Of September 10, 1923 1923 09 10 1923 in science 1923 09 10 September 1923