Al-Battani & Almagest - Unionpedia, the concept map
Alfonso X of Castile
Alfonso X (also known as the Wise, el Sabio; 23 November 1221 – 4 April 1284) was King of Castile, León and Galicia from 1 June 1252 until his death in 1284.
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Apsis
An apsis is the farthest or nearest point in the orbit of a planetary body about its primary body.
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Astrology
Astrology is a range of divinatory practices, recognized as pseudoscientific since the 18th century, that propose that information about human affairs and terrestrial events may be discerned by studying the apparent positions of celestial objects.
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Astronomy in the medieval Islamic world
Medieval Islamic astronomy comprises the astronomical developments made in the Islamic world, particularly during the Islamic Golden Age (9th–13th centuries), and mostly written in the Arabic language.
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Atmospheric refraction
Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height.
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Bibliothèque nationale de France
The ('National Library of France'; BnF) is the national library of France, located in Paris on two main sites known respectively as Richelieu and François-Mitterrand.
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Cambridge University Press
Cambridge University Press is the university press of the University of Cambridge.
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Chord (geometry)
A chord (from the Latin chorda, meaning "bowstring") of a circle is a straight line segment whose endpoints both lie on a circular arc.
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Constellation
A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
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Ecliptic
The ecliptic or ecliptic plane is the orbital plane of Earth around the Sun.
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Equinox
A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator.
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Geocentric model
In astronomy, the geocentric model (also known as geocentrism, often exemplified specifically by the Ptolemaic system) is a superseded description of the Universe with Earth at the center.
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Islamic Golden Age
The Islamic Golden Age was a period of scientific, economic and cultural flourishing in the history of Islam, traditionally dated from the 8th century to the 13th century.
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Latin
Latin (lingua Latina,, or Latinum) is a classical language belonging to the Italic branch of the Indo-European languages.
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Nicolaus Copernicus
Nicolaus Copernicus (19 February 1473 – 24 May 1543) was a Renaissance polymath, active as a mathematician, astronomer, and Catholic canon, who formulated a model of the universe that placed the Sun rather than Earth at its center.
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Oxford University Press
Oxford University Press (OUP) is the publishing house of the University of Oxford.
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Ptolemy
Claudius Ptolemy (Πτολεμαῖος,; Claudius Ptolemaeus; AD) was an Alexandrian mathematician, astronomer, astrologer, geographer, and music theorist who wrote about a dozen scientific treatises, three of which were important to later Byzantine, Islamic, and Western European science.
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Regiomontanus
Johannes Müller von Königsberg (6 June 1436 – 6 July 1476), better known as Regiomontanus, was a mathematician, astrologer and astronomer of the German Renaissance, active in Vienna, Buda and Nuremberg.
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Renaissance
The Renaissance is a period of history and a European cultural movement covering the 15th and 16th centuries.
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Solstice
A solstice is the time when the Sun reaches its most northerly or southerly excursion relative to the celestial equator on the celestial sphere.
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Spherical trigonometry
Spherical trigonometry is the branch of spherical geometry that deals with the metrical relationships between the sides and angles of spherical triangles, traditionally expressed using trigonometric functions.
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Zodiac
The zodiac is a belt-shaped region of the sky that extends approximately 8° north and south (as measured in celestial latitude) of the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year.
Al-Battani has 146 relations, while Almagest has 122. As they have in common 22, the Jaccard index is 8.21% = 22 / (146 + 122).
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