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Tycho Brahe

Index Tycho Brahe

Tycho Brahe (born Tyge Ottesen Brahe;. He adopted the Latinized form "Tycho Brahe" (sometimes written Tÿcho) at around age fifteen. The name Tycho comes from Tyche (Τύχη, meaning "luck" in Greek, Roman equivalent: Fortuna), a tutelary deity of fortune and prosperity of ancient Greek city cults. He is now generally referred to as "Tycho," as was common in Scandinavia in his time, rather than by his surname "Brahe" (a spurious appellative form of his name, Tycho de Brahe, only appears much later). 14 December 154624 October 1601) was a Danish nobleman, astronomer, and writer known for his accurate and comprehensive astronomical and planetary observations. [1]

221 relations: Aberration of light, Action of 4 June 1565, Aether (classical element), Al Aaraaf, Alchemy, Altitude, Ancient Greek, Ancient Greek religion, Ancient history, Anders Sørensen Vedel, Andrea Palladio, Anne of Denmark, Aristotelian physics, Aristotelianism, Aristotle, Astrology, Astronomy, Augsburg, Øresund, Baptism, Basel, Beate Clausdatter Bille, Benátky nad Jizerou, Bille (noble family), Bohemia, Bohus Fortress, Brahe, Brahea, Brass, British Museum, Cambridge University Press, Canon (priest), Cartesianism, Cassiopeia (constellation), Celestial spheres, Centaurus (journal), Christen Sørensen Longomontanus, Christian IV of Denmark, Christoffer Valkendorff, Christoph Rothmann, Church of Our Lady before Týn, Claus Bille, Comet tail, Commoner, Copernican heliocentrism, Cort Aslakssøn, Corvée, Courts of Denmark, Czech Republic, David Origanus, ..., De sphaera mundi, December 1573 lunar eclipse, Denmark, Denmark–Norway, Duel, Earth, Edgar Allan Poe, Eduard Ender, Edwin Arthur Burtt, Empirical evidence, Ephemeris, Epitaph, Equation of the center, Evection, Falster, First battle of Öland (1564), Fortuna, Francis Bacon, Frederick II of Denmark, Freiburg im Breisgau, Friedrich Bessel, Galileo Galilei, Geocentric model, Geometry, Giovanni Battista Riccioli, Gloria Galeano Garcés, Gnesio-Lutherans, Great Comet of 1577, Gustav I of Sweden, Hamburg, Hamlet, Hammershus, Heinrich Rantzau, Heliocentrism, Helisaeus Roeslin, Helsingborg, Herrevad Abbey, Hipparchus, History of trigonometry, Holy Roman Empire, Horoscope, Inger Oxe, Isis (journal), Ivan the Terrible, James Bradley, James VI and I, Jørgen Thygesen Brahe, Jean-Baptiste Morin (mathematician), Johannes de Sacrobosco, Johannes Kepler, John Craig (physician), John Louis Emil Dreyer, Journal for the History of Astronomy, Journal of the History of Ideas, Kågeröd, Kepler's laws of planetary motion, Kessinger Publishing, Kidney stone disease, Kingdom of Bohemia, Knutstorp Castle, Landgrave, Landgraviate of Hesse-Kassel, Landskrona, Langeland, Leipzig, Leipzig University, Light-year, Linda Hall Library, List of trigonometric identities, Live Science, Lunar node, Lunar theory, Lutheranism, Manderup Parsberg, Mercury poisoning, Minute and second of arc, Moon, Moose, Morganatic marriage, Muses, Museum of the History of Science, Oxford, Naked eye, Nature (journal), Nicolaus Copernicus, Nicolaus Reimers, Nobility, Northern Seven Years' War, Nova, Nykøbing Falster, Odense, Old Town Square, Order of the Elephant, Otte Brahe, Paper mill, Parallax, Paul Wittich, Peder Oxe, Petrus Apianus, Phaethon, Philip Melanchthon, Philippists, Pierre Gassendi, Planet, Polaris, Prague, Prague astronomical clock, Proceedings of the American Philosophical Society, Prosthaphaeresis, Publications of the Astronomical Society of the Pacific, Quadrant (instrument), Refraction, Regiomontanus, Research institute, Riksråd, Rodrigo Bernal, Roman mythology, Rosenkrantz (noble family), Rostock Matrikelportal, Royal Library, Denmark, Rudolf II, Holy Roman Emperor, Rudolphine Tables, Scania, Science News, Scientific Revolution, Sextant, Simon & Schuster, Sky & Telescope, SN 1572, Solar eclipse of August 21, 1560, Solar System, Sophia Brahe, Sophie of Mecklenburg-Güstrow, Star, Stellar parallax, Stjerneborg, Stockholm Bloodbath, Supernova, Svalöv Municipality, Sweden, Swedish warship Mars, Telescope, The New York Times, Tosterup Castle, Tranekær, Trolle, Tutelary deity, Tyche, Tycho (lunar crater), Tycho Brahe (Martian crater), Tycho Brahe days, Tycho Brahe Planetarium, Tychonic system, Ulfstand, Ultrastructural Pathology, University of Cambridge, University of Copenhagen, University of Rostock, University of St Andrews, Urania, Uraniborg, Uremia, Variation (astronomy), Vega, Ven (Sweden), Watermark, Weather forecasting, Wheatpaste, William IV, Landgrave of Hesse-Kassel, Wittenberg, 1677 Tycho Brahe, 61 Cygni. Expand index (171 more) »

Aberration of light

The aberration of light (also referred to as astronomical aberration, stellar aberration, or velocity aberration) is an astronomical phenomenon which produces an apparent motion of celestial objects about their true positions, dependent on the velocity of the observer.

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Action of 4 June 1565

This battle took place on 4 June 1565 between an Allied fleet of 33 Danish and Lübecker ships, under Trolle, and a Swedish fleet of perhaps 49 ships, under Klas Horn.

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Aether (classical element)

According to ancient and medieval science, aether (αἰθήρ aithēr), also spelled æther or ether and also called quintessence, is the material that fills the region of the universe above the terrestrial sphere.

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Al Aaraaf

"Al Aaraaf" is an early poem by American writer Edgar Allan Poe, first published in 1829.

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Alchemy is a philosophical and protoscientific tradition practiced throughout Europe, Africa, Brazil and Asia.

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Altitude or height (sometimes known as depth) is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, atmospheric pressure, and many more).

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Ancient Greek

The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.

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Ancient Greek religion

Ancient Greek religion encompasses the collection of beliefs, rituals, and mythology originating in ancient Greece in the form of both popular public religion and cult practices.

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Ancient history

Ancient history is the aggregate of past events, "History" from the beginning of recorded human history and extending as far as the Early Middle Ages or the post-classical history.

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Anders Sørensen Vedel

Anders Sørensen Vedel (9 November 1542 – 13 February 1616) at Kalliope.org was a Danish priest and historian.

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Andrea Palladio

Andrea Palladio (30 November 1508 – 19 August 1580) was an Italian architect active in the Republic of Venice.

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Anne of Denmark

Anne of Denmark (12 December 1574 – 2 March 1619) was Queen consort of Scotland, England, and Ireland by marriage to King James VI and I. The second daughter of King Frederick II of Denmark, Anne married James in 1589 at age 15 and bore him three children who survived infancy, including the future Charles I. She demonstrated an independent streak and a willingness to use factional Scottish politics in her conflicts with James over the custody of Prince Henry and his treatment of her friend Beatrix Ruthven.

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Aristotelian physics

Aristotelian physics is a form of natural science described in the works of the Greek philosopher Aristotle (384–).

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Aristotelianism is a tradition of philosophy that takes its defining inspiration from the work of Aristotle.

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Aristotle (Ἀριστοτέλης Aristotélēs,; 384–322 BC) was an ancient Greek philosopher and scientist born in the city of Stagira, Chalkidiki, in the north of Classical Greece.

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Astrology is the study of the movements and relative positions of celestial objects as a means for divining information about human affairs and terrestrial events.

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Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.

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Augsburg (Augschburg) is a city in Swabia, Bavaria, Germany.

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Øresund or Öresund (Øresund,; Öresund), commonly known in English as the Sound, is a strait which forms the Danish–Swedish border, separating Zealand (Denmark) from Scania (Sweden).

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Baptism (from the Greek noun βάπτισμα baptisma; see below) is a Christian sacrament of admission and adoption, almost invariably with the use of water, into Christianity.

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Basel (also Basle; Basel; Bâle; Basilea) is a city in northwestern Switzerland on the river Rhine.

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Beate Clausdatter Bille

Beate Clausdatter Bille (30 April 1526 – 18 October 1605) was a Danish noblewoman, a member of the royal court, Chief Lady-in-Waiting (hofmesterinde in Danish, corresponding to Mistress of the Robes in the UK) to Queen Sophie from 1584 to 1592, the wife of statesman Otte Brahe, and a feudal fiefholder in her own right following the death of her husband.

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Benátky nad Jizerou

Benátky nad Jizerou (Benatek) is a town on the Jizera river which is also known as Kbelačka in the Central Bohemian Region of the Czech Republic, between the cities Stará Boleslav and Mladá Boleslav.

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Bille (noble family)

Bille (also spelled Bilde) is a Danish noble family, part of the ancient Danish nobility.

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Bohemia (Čechy;; Czechy; Bohême; Bohemia; Boemia) is the westernmost and largest historical region of the Czech lands in the present-day Czech Republic.

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Bohus Fortress

Bohus Fortress (also known as Baahus or Båhus, originally: Bágahús) lies along the old Norwegian–Swedish border in Kungälv, Bohuslän, Sweden, north east from Hisingen where the Göta river splits into two branches (north of Gothenburg).

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Brahe (originally Bragde) is the name of a Scanian noble family that was influential in both Danish and Swedish history but has its family roots in Sweden.

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Brahea is a genus of palms in the Arecaceae family.

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Brass is a metallic alloy that is made of copper and zinc.

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British Museum

The British Museum, located in the Bloomsbury area of London, United Kingdom, is a public institution dedicated to human history, art and culture.

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Canon (priest)

A canon (from the Latin canonicus, itself derived from the Greek κανονικός, kanonikós, "relating to a rule", "regular") is a member of certain bodies subject to an ecclesiastical rule.

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Cartesianism is the philosophical and scientific system of René Descartes and its subsequent development by other seventeenth century thinkers, most notably Nicolas Malebranche and Baruch Spinoza.

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Cassiopeia (constellation)

Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty.

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Celestial spheres

The celestial spheres, or celestial orbs, were the fundamental entities of the cosmological models developed by Plato, Eudoxus, Aristotle, Ptolemy, Copernicus, and others.

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Centaurus (journal)

Centaurus is a peer-reviewed academic journal covering research on the history of mathematics, science, and technology.

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Christen Sørensen Longomontanus

Christen Sørensen Longomontanus (or Longberg) (4 October 1562 – 8 October 1647) was a Danish astronomer.

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Christian IV of Denmark

Christian IV (Christian den Fjerde; 12 April 1577 – 28 February 1648), sometimes colloquially referred to as Christian Firtal in Denmark and Christian Kvart or Quart in Norway, was king of Denmark-Norway and Duke of Holstein and Schleswig from 1588 to 1648.

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Christoffer Valkendorff

Christoffer Valkendorff (1 September 152517 January 1601) was a Danish statesman and landowner.

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Christoph Rothmann

Christoph Rothmann (born between 1550 and 1560 in Bernburg, Saxony-Anhalt; died probably after 1600 in Bernburg) was a German mathematician and one of the few well-known astronomers of his time.

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Church of Our Lady before Týn

The Church of Mother of God before Týn (in Czech Kostel Matky Boží před Týnem, also Týnský chrám (Týn Church) or just Týn), often translated as Church of Our Lady before Týn, is a gothic church and a dominant feature of the Old Town of Prague, Czech Republic.

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Claus Bille

Claus Bille (ca. 1490 – 4 January 1558 at Lyngsgård, Scania) was a Danish statesman.

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Comet tail

A comet tail—and coma—are features visible in comets when they are illuminated by the Sun and may become visible from Earth when a comet passes through the inner Solar System.

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The common people, also known as the common man, commoners, or the masses, are the ordinary people in a community or nation who lack any significant social status, especially those who are members of neither royalty, nobility, the clergy, nor any member of the aristocracy.

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Copernican heliocentrism

Copernican heliocentrism is the name given to the astronomical model developed by Nicolaus Copernicus and published in 1543.

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Cort Aslakssøn

Cort Aslakssøn (28 June 1564 – 7 February 1624) was a Norwegian astronomer, theologist and philosopher.

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Corvée is a form of unpaid, unfree labour, which is intermittent in nature and which lasts limited periods of time: typically only a certain number of days' work each year.

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Courts of Denmark

The Courts of Denmark is the ordinary court system of the Kingdom of Denmark.

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Czech Republic

The Czech Republic (Česká republika), also known by its short-form name Czechia (Česko), is a landlocked country in Central Europe bordered by Germany to the west, Austria to the south, Slovakia to the east and Poland to the northeast.

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David Origanus

David Origanus or David Tost (9 July 1558 – 11 July 1628/29) was a German astronomer and professor for Greek language and Mathematics at the Viadrina University in Frankfurt (Oder), where he had also studied.

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De sphaera mundi

De sphaera mundi (Latin title meaning On the Sphere of the World, sometimes rendered The Sphere of the Cosmos; the Latin title is also given as Tractatus de sphaera, Textus de sphaera, or simply De sphaera) is a medieval introduction to the basic elements of astronomy written by Johannes de Sacrobosco (John of Holywood) c. 1230.

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December 1573 lunar eclipse

A total lunar eclipse occurred on December 8, 1573.

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Denmark (Danmark), officially the Kingdom of Denmark,Kongeriget Danmark,.

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Denmark–Norway (Danish and Norwegian: Danmark–Norge or Danmark–Noreg; also known as the Oldenburg Monarchy or the Oldenburg realms) was an early modern multi-national and multi-lingual real unionFeldbæk 1998:11 consisting of the Kingdom of Denmark, the Kingdom of Norway (including Norwegian overseas possessions the Faroe Islands, Iceland, Greenland, et cetera), the Duchy of Schleswig, and the Duchy of Holstein.

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A duel is an arranged engagement in combat between two people, with matched weapons, in accordance with agreed-upon rules.

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Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Edgar Allan Poe

Edgar Allan Poe (born Edgar Poe; January 19, 1809 – October 7, 1849) was an American writer, editor, and literary critic.

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Eduard Ender

Eduard Ender (3 March 1822 Rome – 28 December 1883 London) was an Austrian painter.

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Edwin Arthur Burtt

Edwin Arthur Burtt (October 11, 1892 – September 6, 1989), usually cited as E. A. Burtt, was an American philosopher who wrote extensively on the philosophy of religion.

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Empirical evidence

Empirical evidence, also known as sensory experience, is the information received by means of the senses, particularly by observation and documentation of patterns and behavior through experimentation.

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In astronomy and celestial navigation, an ephemeris (plural: ephemerides) gives the positions of naturally occurring astronomical objects as well as artificial satellites in the sky at a given time or times.

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An epitaph (from Greek ἐπιτάφιος epitaphios "a funeral oration" from ἐπί epi "at, over" and τάφος taphos "tomb") is a short text honoring a deceased person.

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Equation of the center

In two-body, Keplerian orbital mechanics, the equation of the center is the angular difference between the actual position of a body in its elliptical orbit and the position it would occupy if its motion were uniform, in a circular orbit of the same period.

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In astronomy, evection (Latin for "carrying away") is the largest inequality produced by the action of the Sun in the monthly revolution of the Moon around the Earth.

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Falster is an island in south-eastern Denmark with an area of and 43,398 inhabitants as of 1 January 2010.

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First battle of Öland (1564)

The first battle of Öland (Första slaget vid Ölands norra udde) took place on 30–31 May 1564 between the islands of Gotland and Öland, between a fleet of Allied ships, the Danes under Herluf Trolle and the Lübeckers under Friedrich Knebel, and a Swedish fleet of 23 or more ships under Jakob Bagge.

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Fortuna (Fortūna, equivalent to the Greek goddess Tyche) was the goddess of fortune and the personification of luck in Roman religion.

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Francis Bacon

Francis Bacon, 1st Viscount St Alban, (22 January 15619 April 1626) was an English philosopher, statesman, scientist, jurist, orator, and author.

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Frederick II of Denmark

Frederick II (1 July 1534 – 4 April 1588) was King of Denmark and Norway and Duke of Schleswig from 1559 until his death.

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Freiburg im Breisgau

Freiburg im Breisgau (Alemannic: Friburg im Brisgau; Fribourg-en-Brisgau) is a city in Baden-Württemberg, Germany, with a population of about 220,000.

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Friedrich Bessel

Friedrich Wilhelm Bessel (22 July 1784 – 17 March 1846) was a German astronomer, mathematician, physicist and geodesist.

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Galileo Galilei

Galileo Galilei (15 February 1564Drake (1978, p. 1). The date of Galileo's birth is given according to the Julian calendar, which was then in force throughout Christendom. In 1582 it was replaced in Italy and several other Catholic countries with the Gregorian calendar. Unless otherwise indicated, dates in this article are given according to the Gregorian calendar. – 8 January 1642) was an Italian polymath.

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Geocentric model

In astronomy, the geocentric model (also known as geocentrism, or the Ptolemaic system) is a superseded description of the universe with Earth at the center.

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Geometry (from the γεωμετρία; geo- "earth", -metron "measurement") is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.

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Giovanni Battista Riccioli

Giovanni Battista Riccioli (17 April 1598 – 25 June 1671) was an Italian astronomer and a Catholic priest in the Jesuit order.

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Gloria Galeano Garcés

Gloria Amparo Galeano Garcés (1958 – 2016) was a Colombian botanist and agronomist specializing in the palm family.

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Gnesio-Lutherans (from Greek γνήσιος: genuine, authentic) is a modern name for a theological party in the Lutheran churches, in opposition to the Philippists after the death of Martin Luther and before the Formula of Concord.

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Great Comet of 1577

The Great Comet of 1577 (official designation: C/1577 V1) is a non-periodic comet that passed close to Earth during the year 1577 AD.

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Gustav I of Sweden

Gustav I, born Gustav Eriksson of the Vasa noble family and later known as Gustav Vasa (12 May 1496 – 29 September 1560), was King of Sweden from 1523 until his death in 1560, previously self-recognised Protector of the Realm (Riksföreståndare) from 1521, during the ongoing Swedish War of Liberation against King Christian II of Denmark, Norway and Sweden.

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Hamburg (locally), Hamborg, officially the Free and Hanseatic City of Hamburg (Freie und Hansestadt Hamburg, Friee un Hansestadt Hamborg),Constitution of Hamburg), is the second-largest city of Germany as well as one of the country's 16 constituent states, with a population of roughly 1.8 million people. The city lies at the core of the Hamburg Metropolitan Region which spreads across four German federal states and is home to more than five million people. The official name reflects Hamburg's history as a member of the medieval Hanseatic League, a free imperial city of the Holy Roman Empire, a city-state and one of the 16 states of Germany. Before the 1871 Unification of Germany, it was a fully sovereign state. Prior to the constitutional changes in 1919 it formed a civic republic headed constitutionally by a class of hereditary grand burghers or Hanseaten. The city has repeatedly been beset by disasters such as the Great Fire of Hamburg, exceptional coastal flooding and military conflicts including World War II bombing raids. Historians remark that the city has managed to recover and emerge wealthier after each catastrophe. Situated on the river Elbe, Hamburg is home to Europe's second-largest port and a broad corporate base. In media, the major regional broadcasting firm NDR, the printing and publishing firm italic and the newspapers italic and italic are based in the city. Hamburg remains an important financial center, the seat of Germany's oldest stock exchange and the world's oldest merchant bank, Berenberg Bank. Media, commercial, logistical, and industrial firms with significant locations in the city include multinationals Airbus, italic, italic, italic, and Unilever. The city is a forum for and has specialists in world economics and international law with such consular and diplomatic missions as the International Tribunal for the Law of the Sea, the EU-LAC Foundation, and the UNESCO Institute for Lifelong Learning. In recent years, the city has played host to multipartite international political conferences and summits such as Europe and China and the G20. Former German Chancellor italic, who governed Germany for eight years, and Angela Merkel, German chancellor since 2005, come from Hamburg. The city is a major international and domestic tourist destination. It ranked 18th in the world for livability in 2016. The Speicherstadt and Kontorhausviertel were declared World Heritage Sites by UNESCO in 2015. Hamburg is a major European science, research, and education hub, with several universities and institutions. Among its most notable cultural venues are the italic and italic concert halls. It gave birth to movements like Hamburger Schule and paved the way for bands including The Beatles. Hamburg is also known for several theatres and a variety of musical shows. St. Pauli's italic is among the best-known European entertainment districts.

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The Tragedy of Hamlet, Prince of Denmark, often shortened to Hamlet, is a tragedy written by William Shakespeare at an uncertain date between 1599 and 1602.

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Hammershus is Scandinavia's largest medieval fortification, situated above sea level on Hammeren, the northern tip of the Danish island of Bornholm in the Baltic Sea.

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Heinrich Rantzau

Heinrich Rantzau or Ranzow (Ranzovius) (11 March 1526 – 31 December 1598) was a German humanist writer and statesman, a prolific astrologer and an associate of Tycho Brahe.

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Heliocentrism is the astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System.

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Helisaeus Roeslin

Helisaeus Roeslin or Helisäus Röslin (17 January 1545, Plieningen (now part of Stuttgart) – 14 August 1616, Buchsweiler was a German physician and astrologer who adopted a geoheliocentric model of the universe. He was one of five observers who concluded that the Great Comet of 1577 was located beyond the moon. His representation of the comet, described as "an interesting, though crude, attempt," was among the earliest and was highly complex.

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Helsingborg (spelled Hälsingborg between 1912 and 1970) is a town and the seat of Helsingborg Municipality, Scania, Sweden.

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Herrevad Abbey

Herrevad Abbey (Herrevadskloster, Herrevads Kloster) was a Cistercian monastery near Ljungbyhed in Klippan Municipality, Scania, in the south of present-day Sweden, but formerly in Denmark until 1658.

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Hipparchus of Nicaea (Ἵππαρχος, Hipparkhos) was a Greek astronomer, geographer, and mathematician.

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History of trigonometry

Early study of triangles can be traced to the 2nd millennium BC, in Egyptian mathematics (Rhind Mathematical Papyrus) and Babylonian mathematics.

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Holy Roman Empire

The Holy Roman Empire (Sacrum Romanum Imperium; Heiliges Römisches Reich) was a multi-ethnic but mostly German complex of territories in central Europe that developed during the Early Middle Ages and continued until its dissolution in 1806.

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A horoscope is an astrological chart or diagram representing the positions of the Sun, Moon, planets, astrological aspects and sensitive angles at the time of an event, such as the moment of a person's birth.

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Inger Oxe

Inger Johansdatter Oxe (c. 1526 - 1591) was a Danish noblewoman and court official.

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Isis (journal)

Isis is a quarterly peer-reviewed academic journal published by the University of Chicago Press.

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Ivan the Terrible

Ivan IV Vasilyevich (pron; 25 August 1530 –), commonly known as Ivan the Terrible or Ivan the Fearsome (Ivan Grozny; a better translation into modern English would be Ivan the Formidable), was the Grand Prince of Moscow from 1533 to 1547, then Tsar of All Rus' until his death in 1584.

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James Bradley

James Bradley FRS (March 1693 – 13 July 1762) was an English astronomer and priest and served as Astronomer Royal from 1742, succeeding Edmond Halley.

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James VI and I

James VI and I (James Charles Stuart; 19 June 1566 – 27 March 1625) was King of Scotland as James VI from 24 July 1567 and King of England and Ireland as James I from the union of the Scottish and English crowns on 24 March 1603 until his death in 1625.

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Jørgen Thygesen Brahe

Jørgen Thygesen Brahe (Jørgen Brahe til Tostrup i Skåne) (1515 – June 21, 1565) was a member of the Danish nobility.

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Jean-Baptiste Morin (mathematician)

Jean-Baptiste Morin (February 23, 1583 – November 6, 1656), also known by the Latinized name as Morinus, was a French mathematician, astrologer, and astronomer.

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Johannes de Sacrobosco

Johannes de Sacrobosco, also written Ioannis de Sacro Bosco (1195 – 1256), was a scholar, monk and astronomer who was a teacher at the University of Paris.

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Johannes Kepler

Johannes Kepler (December 27, 1571 – November 15, 1630) was a German mathematician, astronomer, and astrologer.

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John Craig (physician)

John Craig M.D. (died 1620) was a Scottish physician, known also as an astronomer.

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John Louis Emil Dreyer

John Louis Emil Dreyer (February 13, 1852 – September 14, 1926) was a Danish-Irish astronomer.

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Journal for the History of Astronomy

Journal for the History of Astronomy (JHA) is a peer-reviewed academic journal that publishes papers in the History of Astronomy from earliest times to the present, and in history in the service of astronomy.

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Journal of the History of Ideas

The Journal of the History of Ideas is a quarterly peer-reviewed academic journal covering intellectual history and the history of ideas, including the histories of philosophy, literature and the arts, natural and social sciences, religion, and political thought.

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Kågeröd is a locality situated in Svalöv Municipality, Skåne County, Sweden with 1,446 inhabitants in 2010.

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Kepler's laws of planetary motion

In astronomy, Kepler's laws of planetary motion are three scientific laws describing the motion of planets around the Sun.

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Kessinger Publishing

Kessinger Publishing LLC is an American print on demand publishing company located in Whitefish, Montana that specializes in rare, out of print books.

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Kidney stone disease

Kidney stone disease, also known as urolithiasis, is when a solid piece of material (kidney stone) occurs in the urinary tract.

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Kingdom of Bohemia

The Kingdom of Bohemia, sometimes in English literature referred to as the Czech Kingdom (České království; Königreich Böhmen; Regnum Bohemiae, sometimes Regnum Czechorum), was a medieval and early modern monarchy in Central Europe, the predecessor of the modern Czech Republic.

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Knutstorp Castle

Knutstorp Castle (Knutstorps slott, Knudstrup) is a castle in Svalöv Municipality, Scania, in southern Sweden.

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Landgrave (landgraaf, Landgraf; lantgreve, landgrave; comes magnus, comes patriae, comes provinciae, comes terrae, comes principalis, lantgravius) was a noble title used in the Holy Roman Empire, and later on in its former territories.

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Landgraviate of Hesse-Kassel

The Landgraviate of Hesse-Kassel (Landgrafschaft Hessen-Kassel), spelled Hesse-Cassel during its entire existence, was a state in the Holy Roman Empire that was directly subject to the Emperor.

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Landskrona is a late medieval town in Scania province, Sweden, located at the shores of Øresund, founded at the location of the former Danish fishing village Sønder Sæby in the province of Scania by king Erik VII of Pomerania early in the 15th century.

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Langeland is a Danish island located between the Great Belt and Bay of Kiel.

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Leipzig is the most populous city in the federal state of Saxony, Germany.

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Leipzig University

Leipzig University (Universität Leipzig), in Leipzig in the Free State of Saxony, Germany, is one of the world's oldest universities and the second-oldest university (by consecutive years of existence) in Germany.

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The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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Linda Hall Library

The Linda Hall Library is a privately endowed American library of science, engineering and technology located in Kansas City, Missouri, sitting "majestically on a urban arboretum." It is the "largest independently funded public library of science, engineering and technology in North America" and "among the largest science libraries in the world.".

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List of trigonometric identities

In mathematics, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables where both sides of the equality are defined.

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Live Science

Live Science is a science news website run by Purch, which it purchased from Imaginova in 2009.

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Lunar node

The lunar nodes are the orbital nodes of the Moon, that is, the two points at which the orbit of the Moon crosses the ecliptic.

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Lunar theory

Lunar theory attempts to account for the motions of the Moon.

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Lutheranism is a major branch of Protestant Christianity which identifies with the theology of Martin Luther (1483–1546), a German friar, ecclesiastical reformer and theologian.

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Manderup Parsberg

Manderup Parsberg (December 24, 1546 - November 11, 1625) was a Danish nobleman and politician who was member of the Royal Privy Council to King Christian IV of Denmark.

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Mercury poisoning

Mercury poisoning is a type of metal poisoning due to mercury exposure.

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Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

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The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.

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The moose (North America) or elk (Eurasia), Alces alces, is the largest extant species in the deer family.

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Morganatic marriage

Morganatic marriage, sometimes called a left-handed marriage, is a marriage between people of unequal social rank, which in the context of royalty prevents the passage of the husband's titles and privileges to the wife and any children born of the marriage.

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The Muses (/ˈmjuːzɪz/; Ancient Greek: Μοῦσαι, Moũsai) are the inspirational goddesses of literature, science, and the arts in Greek mythology.

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Museum of the History of Science, Oxford

The Museum of the History of Science in Broad Street, Oxford, England, holds a leading collection of scientific instruments from Middle Ages to the 19th century.

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Naked eye

Naked eye, also called bare eye or unaided eye, is the practice of engaging in visual perception unaided by a magnifying or light-collecting optical instrument, such as a telescope or microscope.

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Nature (journal)

Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.

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Nicolaus Copernicus

Nicolaus Copernicus (Mikołaj Kopernik; Nikolaus Kopernikus; Niklas Koppernigk; 19 February 1473 – 24 May 1543) was a Renaissance-era mathematician and astronomer who formulated a model of the universe that placed the Sun rather than the Earth at the center of the universe, likely independently of Aristarchus of Samos, who had formulated such a model some eighteen centuries earlier.

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Nicolaus Reimers

Nicolaus Reimers Baer (2 February 1551 – 16 October 1600), also Reimarus Ursus, Nicolaus Reimers Bär or Nicolaus Reymers Baer, was an astronomer and imperial mathematician to Emperor Rudolf II.

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Nobility is a social class in aristocracy, normally ranked immediately under royalty, that possesses more acknowledged privileges and higher social status than most other classes in a society and with membership thereof typically being hereditary.

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Northern Seven Years' War

The Northern Seven Years' War (also known as the Nordic Seven Years' War, the First Northern War or the Seven Years War in Scandinavia) was fought between the Kingdom of Sweden and a coalition of Denmark–Norway, Lübeck and Poland between 1563 and 1570.

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A nova (plural novae or novas) or classical nova (CN, plural CNe) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star, that slowly fades over several weeks or many months.

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Nykøbing Falster

Nykøbing Falster (originally named Nykøbing) is a southern Danish city, seat of the Guldborgsund ''kommune''.

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Odense is the third-largest city in Denmark.

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Old Town Square

Old Town Square (Staroměstské náměstí or colloquially Staromák) is a historic square in the Old Town quarter of Prague, the capital of the Czech Republic.

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Order of the Elephant

The Order of the Elephant (Elefantordenen) is a Danish order of chivalry and is Denmark's highest-ranked honour.

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Otte Brahe

Otte Brahe (2 October 1518 – 9 May 1571) was a Danish (Scanian) nobleman and statesman, who served on the privy council (Rigsraad, "Council of the Realm").

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Paper mill

A paper mill is a factory devoted to making paper from vegetable fibres such as wood pulp, old rags and other ingredients.

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Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.

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Paul Wittich

Paul Wittich (c.1546 – 9 January 1586) was a German mathematician and astronomer whose Capellan geoheliocentric model, in which the inner planets Mercury and Venus orbit the sun but the outer planets Mars, Jupiter and Saturn orbit the Earth, may have directly inspired Tycho Brahe's more radically heliocentric geoheliocentric model in which all the 5 known primary planets orbited the Sun, which in turn orbited the stationary Earth.

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Peder Oxe

Peder Oxe (Peder Oxe til Nielstrup) (7 January 1520 – 24 October 1575) was a Danish finance minister and Steward of the Realm.

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Petrus Apianus

Petrus Apianus (April 16, 1495 – April 21, 1552), also known as Peter Apian, Peter Bennewitz, and Peter Bienewitz was a German humanist, known for his works in mathematics, astronomy and cartography.

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In Greek mythology, Phaethon (Φαέθων, Phaéthōn), was the son of the Oceanid Clymene and the solar deity Helios.

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Philip Melanchthon

Philip Melanchthon (born Philipp Schwartzerdt; 16 February 1497 – 19 April 1560) was a German Lutheran reformer, collaborator with Martin Luther, the first systematic theologian of the Protestant Reformation, intellectual leader of the Lutheran Reformation, and an influential designer of educational systems.

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The Philippists formed a party in early Lutheranism.

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Pierre Gassendi

Pierre Gassendi (also Pierre Gassend, Petrus Gassendi; 22 January 1592 – 24 October 1655) was a French philosopher, priest, astronomer, and mathematician.

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A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.

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Polaris, designated Alpha Ursae Minoris (Ursae Minoris, abbreviated Alpha UMi, UMi), commonly the North Star or Pole Star, is the brightest star in the constellation of Ursa Minor.

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Prague (Praha, Prag) is the capital and largest city in the Czech Republic, the 14th largest city in the European Union and also the historical capital of Bohemia.

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Prague astronomical clock

The Prague astronomical clock, or Prague orloj (Pražský orloj), is a medieval astronomical clock located in Prague, the capital of the Czech Republic.

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Proceedings of the American Philosophical Society

Proceedings of the American Philosophical Society is a quarterly philosophy peer-reviewed journal published by the American Philosophical Society since 1838.

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Prosthaphaeresis (from the Greek προσθαφαίρεσις) was an algorithm used in the late 16th century and early 17th century for approximate multiplication and division using formulas from trigonometry.

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Publications of the Astronomical Society of the Pacific

Publications of the Astronomical Society of the Pacific (often abbreviated as PASP in references and literature) is a monthly peer-reviewed scientific journal managed by the Astronomical Society of the Pacific.

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Quadrant (instrument)

A quadrant is an instrument that is used to measure angles up to 90°.

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Refraction is the change in direction of wave propagation due to a change in its transmission medium.

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Johannes Müller von Königsberg (6 June 1436 – 6 July 1476), better known as Regiomontanus, was a mathematician and astronomer of the German Renaissance, active in Vienna, Buda and Nuremberg.

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Research institute

A research institute or research center is an establishment founded for doing research.

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Riksrådet (in Norwegian and Swedish), Rigsrådet (in Danish) or (English: The Council of the Realm and The Council of the State – sometimes translated as "Privy Council") is the name of the councils of the Scandinavian countries that ruled the countries together with the kings from late Middle Ages to the 17th century.

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Rodrigo Bernal

Rodrigo Bernal González (born 1959) is a Colombian botanist who specialises in the palm family.

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Roman mythology

Roman mythology is the body of traditional stories pertaining to ancient Rome's legendary origins and religious system, as represented in the literature and visual arts of the Romans.

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Rosenkrantz (noble family)

Rosenkrantz (also spelled Rosencrantz) is a Danish, Norwegian, and Swedish noble family.

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Rostock Matrikelportal

The Rostock Matrikelportal (matriculation portal) disseminates about 186,000 individual-level datasets drawn from the student registers of the University of Rostock from its establishment in 1419 to today.

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Royal Library, Denmark

The Royal Library (Det Kongelige Bibliotek) in Copenhagen is the national library of Denmark and the university library of the University of Copenhagen.

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Rudolf II, Holy Roman Emperor

Rudolf II (18 July 1552 – 20 January 1612) was Holy Roman Emperor (1576–1612), King of Hungary and Croatia (as Rudolf I, 1572–1608), King of Bohemia (1575–1608/1611) and Archduke of Austria (1576–1608).

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Rudolphine Tables

The Rudolphine Tables (Tabulae Rudolphinae) consist of a star catalogue and planetary tables published by Johannes Kepler in 1627, using some observational data collected by Tycho Brahe (1546–1601).

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Scania, also known as Skåne, is the southernmost province (landskap) of Sweden.

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Science News

Science News is an American bi-weekly magazine devoted to short articles about new scientific and technical developments, typically gleaned from recent scientific and technical journals.

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Scientific Revolution

The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature.

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A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects.

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Simon & Schuster

Simon & Schuster, Inc., a subsidiary of CBS Corporation, is an American publishing company founded in New York City in 1924 by Richard Simon and Max Schuster.

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Sky & Telescope

Sky & Telescope (S&T) is a monthly American magazine covering all aspects of amateur astronomy, including the following.

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SN 1572

SN 1572 (Tycho's Supernova, Tycho's Nova), or B Cassiopeiae (B Cas), was a supernova of Type Ia in the constellation Cassiopeia, one of about eight supernovae visible to the naked eye in historical records.

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Solar eclipse of August 21, 1560

A total solar eclipse occurred on August 21, 1560.

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Solar System

The Solar SystemCapitalization of the name varies.

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Sophia Brahe

Sophia or Sophie Brahe or after marriage Sophie Thott Lange (22 September 1556 or 24 August 1559 – 1643), was a Danish horticulturalist with knowledge of astronomy, chemistry, and medicine.

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Sophie of Mecklenburg-Güstrow

Sophie of Mecklenburg-Güstrow (4 September 1557 – 14 October 1631) was Queen of Denmark and Norway by marriage to Frederick II of Denmark.

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A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

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Stellar parallax

Stellar parallax is the apparent shift of position of any nearby star (or other object) against the background of distant objects.

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Stjerneborg ("Star Castle" in English) was Tycho Brahe's underground observatory next to his palace-observatory Uraniborg, located on the island of Hven in Øresund.

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Stockholm Bloodbath

The Stockholm Bloodbath (Swedish: Stockholms blodbad, Danish: Det Stockholmske Blodbad) was a trial that led to a series of executions in Stockholm between the 7th and 9th of November, 1520.

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A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.

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Svalöv Municipality

Svalöv Municipality (Svalövs kommun) is a municipality in Skåne County in southern Sweden.

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Sweden (Sverige), officially the Kingdom of Sweden (Swedish), is a Scandinavian country in Northern Europe.

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Swedish warship Mars

Mars, also known as Makalös ("peerless; astounding") was a Swedish warship that was built between 1563 and 1564. It was the leading ship of king Eric XIV of Sweden's fleet, and at 48 meters and, equipped with 107 guns, was one of the largest warships of the time, even larger than the famous Swedish ship Vasa. In 1564, during the Northern Seven Years' War, the ship caught fire and exploded during the first battle of Öland in the Baltic Sea. Mars has a place in the history of naval warfare for being the first ship to sink another ship with gunfire.

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A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).

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The New York Times

The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.

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Tosterup Castle

Tosterup Castle (Tosterups slott) is a castle in Tomelilla Municipality, Scania, in southern Sweden.

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Tranekær is a village in southern Denmark, located in Tranekær municipality on the island of Langeland.

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Trolle (sometimes in Danish Trold) is the name of a Scanian noble family, originally from Småland, in Sweden.

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Tutelary deity

A tutelary (also tutelar) is a deity or spirit who is a guardian, patron, or protector of a particular place, geographic feature, person, lineage, nation, culture, or occupation.

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Tyche (from Τύχη, Túkhē, meaning "luck"; Roman equivalent: Fortuna) was the presiding tutelary deity who governed the fortune and prosperity of a city, its destiny.

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Tycho (lunar crater)

Tycho is a prominent lunar impact crater located in the southern lunar highlands, named after the Danish astronomer Tycho Brahe (1546–1601).

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Tycho Brahe (Martian crater)

Tycho Brahe is a nearly ovular crater on Mars named after the Danish astronomer Tycho Brahe (1546–1601).

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Tycho Brahe days

In the folklore of Scandinavia, Tycho Brahe days (Danish: Tycho Brahes-dage; Norwegian: Tycho Brahedager; Swedish: Tycho Brahe-dagar) are days judged to be especially unlucky, especially for magical work, and important business transactions.

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Tycho Brahe Planetarium

The Tycho Brahe Planetarium is located in Copenhagen, Denmark, at the southern end of Skt. Jørgens Sø.

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Tychonic system

The Tychonic system (or Tychonian system) is a model of the Solar system published by Tycho Brahe in the late 16th century which combines what he saw as the mathematical benefits of the Copernican system with the philosophical and "physical" benefits of the Ptolemaic system.

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Ulfstand was a Danish, mostly Scanian, noble family, known since the 14th century and extinct in the male line in 1637.

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Ultrastructural Pathology

Ultrastructural Pathology is a bimonthly peer-reviewed medical journal devoted entirely to diagnostic ultrastructural pathology.

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University of Cambridge

The University of Cambridge (informally Cambridge University)The corporate title of the university is The Chancellor, Masters, and Scholars of the University of Cambridge.

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University of Copenhagen

The University of Copenhagen (UCPH) (Københavns Universitet) is the oldest university and research institution in Denmark.

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University of Rostock

The University of Rostock (Rostock University, Universität Rostock) is a public university located in Rostock, Mecklenburg-Vorpommern, Germany.

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University of St Andrews

The University of St Andrews (informally known as St Andrews University or simply St Andrews; abbreviated as St And, from the Latin Sancti Andreae, in post-nominals) is a British public research university in St Andrews, Fife, Scotland.

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Urania (Οὐρανία, Ourania; meaning "heavenly" or "of heaven") was, in Greek mythology, the muse of astronomy.

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Uraniborg (Uranienborg, Uraniborg) was a Danish astronomical observatory and alchemical laboratory established and operated by Tycho Brahe.

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Uremia is the condition of having "urea in the blood".

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Variation (astronomy)

In astronomy, the variation of the Moon is one of the principal perturbations in the motion of the Moon.

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Vega, also designated Alpha Lyrae (α Lyrae, abbreviated Alpha Lyr or α Lyr), is the brightest star in the constellation of Lyra, the fifth-brightest star in the night sky, and the second-brightest star in the northern celestial hemisphere, after Arcturus.

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Ven (Sweden)

Ven (Hven, older Swedish spelling Hven) is a small Swedish island in the Øresund strait, between Scania and Zealand (Denmark).

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A watermark is an identifying image or pattern in paper that appears as various shades of lightness/darkness when viewed by transmitted light (or when viewed by reflected light, atop a dark background), caused by thickness or density variations in the paper.

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Weather forecasting

Weather forecasting is the application of science and technology to predict the conditions of the atmosphere for a given location and time.

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Wheat paste (also known as flour paste, or simply paste) is a gel or liquid adhesive made from wheat flour or starch and water.

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William IV, Landgrave of Hesse-Kassel

William IV of Hesse-Kassel (24 June 1532 – 25 August 1592), also called William the Wise, was the first Landgrave of the Landgraviate of Hesse-Kassel (or Hesse-Cassel).

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Wittenberg, officially Lutherstadt Wittenberg, is a town in Saxony-Anhalt, Germany.

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1677 Tycho Brahe

1677 Tycho Brahe, provisional designation, is a stony Marian asteroid from the central region of the asteroid belt, approximately in diameter.

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61 Cygni

61 Cygni Not to be confused with 16 Cygni, a more distant system containing two G-type stars harboring the gas giant planet 16 Cygni Bb.

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De nova stella, Tycho Brache, Tycho brache, Tycho brahe, Tycho de Brahe, Tycho's observational astronomy, Tychonian, Tychonic, Tyco Brahe, Tyge Brahe, Tyge Ottesen, Tyge Ottesen Brahe.


[1] https://en.wikipedia.org/wiki/Tycho_Brahe

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