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Great Comet Of 1472
The Great Comet of 1472 (designated C/1471 Y1 in modern nomenclature) was visible from Christmas Day 1471 to 1 March 1472 (Julian Calendar), for a total of 59 days.Donald K. Yeomans, Jet Propulsion Laboratory: Great Comets in History', 2007. The comet passed 0.07 AU from Earth on 22 January 1472, closer than any other great comet in modern times. Observational history The first reports of the comet date from the Christmas Day of 1471, when the comet was located in Virgo. It became better visible in the second week of January 1472, when in Korean sources is mentioned it had a tail 4-5 degrees long. The comet was moving northwards and passed through Bootes, Coma Berenices and Ursa Major and was about 15 degrees from the north celestial pole on January 22, and the date of perigee, at a distance of . At that time the comet was moving about one degree per hour. Consequently, became better visible in the evening sky, as the comet moved southwards and towards perihelion. It was last o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuremberg Chronicle
The ''Nuremberg Chronicle'' is an illustrated encyclopedia consisting of world historical accounts, as well as accounts told through biblical paraphrase. Subjects include human history in relation to the Bible, illustrated mythological creatures, and the histories of important Christian and secular cities from antiquity. Finished in 1493, it was originally written in Latin by Hartmann Schedel, and a German language, German version was translated by Georg Alt. It is one of the best-documented early printed books—an incunabulum—and one of the first to successfully integrate illustrations and text. Latin scholars refer to it as the ''Liber Chronicarum'' ('Book of Chronicles') as this phrase appears in the index introduction of the Latin edition. English language, English-speakers have long referred to it as the ''Nuremberg Chronicle'' after the city in which it was published. German-speakers refer to it as ''Schedelsche Weltchronik'' ('Schedel's World History') in honour of its au ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Warkworth
John Warkworth DD (c. 1425 – 1500) was an English churchman and academic, a Master of Peterhouse, Cambridge. He is no longer considered to be a chronicler of Edward IV Edward IV (28 April 1442 – 9 April 1483) was King of England from 4 March 1461 to 3 October 1470, then again from 11 April 1471 until his death in 1483. He was a central figure in the Wars of the Roses, a series of civil wars in England ..., the so-called '' Warkworth's Chronicle'' now being attributed to one of two other fellows of Peterhouse. Warkworth has been subject to another confusion, with another fellow of Peterhouse of the same name. References Masters of Peterhouse, Cambridge 1500 deaths 15th-century English educators 1425 births English male writers {{England-academic-bio-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1472
Year 1472 ( MCDLXXII) was a leap year starting on Wednesday of the Julian calendar. Events January–December * February 20 – Orkney and Shetland are returned by Norway to Scotland, as a result of a defaulted dowry payment. * March 4 – A mount of piety is established in Siena (Italy), origin of Banca Monte dei Paschi di Siena, the world's oldest surviving retail bank. * April 11 – The first printed edition of Dante Alighieri's ''Divine Comedy'' is published in Foligno. * June ** 20-year-old Leonardo da Vinci is admitted as a master in his own right to the artists' Guild of Saint Luke in Florence. ** (approximate date) – Volterra, a town in Italy, is sacked by Florentine soldiers for challenging the power of Lorenzo de' Medici. * July 3 – The Cathedral and Metropolitical Church of Saint Peter in York, England, commonly known as York Minster, is declared complete and consecrated. * December 31 – The city council of Amsterdam prohibits snow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jet Propulsion Laboratory
The Jet Propulsion Laboratory (JPL) is a Federally funded research and development centers, federally funded research and development center (FFRDC) in La Cañada Flintridge, California, Crescenta Valley, United States. Founded in 1936 by California Institute of Technology (Caltech) researchers, the laboratory is now owned and sponsored by NASA and administered and managed by Caltech. The primary function of the laboratory is the construction and operation of planetary robotic spacecraft, though it also conducts Earth-orbit and astronomy missions. It is also responsible for operating the NASA Deep Space Network (DSN). Among the major active projects at the laboratory, some are the Mars 2020 mission, which includes the ''Perseverance (rover), Perseverance'' rover; the Mars Science Laboratory mission, including the ''Curiosity (rover), Curiosity'' rover; the ''Mars Reconnaissance Orbiter''; the ''Juno (spacecraft), Juno'' spacecraft orbiting Jupiter; the ''Soil Moisture Active P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Comet Of 1577
The Great Comet of 1577 (designated as C/1577 V1 in modern nomenclature) is a non-periodic comet that passed close to Earth with first observation being possible in Peru on 1 November 1577. Final observation was made on 26 January 1578. Tycho Brahe was one the most distinguished observers of this comet, making thousands of precise measurements about it. The observations made by Brahe led him to believe the comet was outside of the orbit of the sun and moon. There were many independent observers of the comet from across the world. Many had different explanations for the comet. Some, such as Murad III, Sultan Murad III, saw the comet as an evil omen. Others took a scientific approach, like Michael Maestlin, Michael Mästlin who used the comet to fill gaps in Copernicus's model of the universe. It inspired artists, like Jiri Dschitzky, who made an engraving of the comet as it passed over Prague. Currently, using JPL Horizons, it is believed that the comet is ~ from the sun.NASJPL Hor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halley's Comet
Halley's Comet is the only known List of periodic comets, short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years, though with the majority of recorded apparitions (25 of 30) occurring after 75–77 years. It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061. Officially designated 1P/Halley, it is also commonly called Comet Halley, or sometimes simply Halley. Halley's periodic returns to the inner Solar System have been observed and recorded by astronomers around the world since at least 240 BC, but it was not until 1705 that the English astronomer Edmond Halley understood that these appearances were re-appearances of the same comet. As a result of this discovery, the comet is named after Halley. During its 1986 visit to the inner Solar System, Halley's Comet became the first comet to be observed in detail by a spacecraft, ''Giotto (spacecraft), Giotto'', providing the first obser ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Comet Hyakutake
Comet Hyakutake (Astronomical naming conventions#Comets, formally designated C/1996 B2) is a comet discovered on 31 January 1996. It was dubbed the Great Comet of 1996; its passage to within of the Earth on 25 March was one of the closest cometary approaches of the previous 200 years. Reaching an apparent visual magnitude of zero and spanning nearly 80°, Hyakutake appeared very bright in the night sky and was widely seen around the world. The comet temporarily upstaged the much anticipated Comet Hale–Bopp, which was approaching the inner Solar System at the time. Hyakutake is a Comet#Orbital characteristics, long-period comet that passed perihelion on 1 May 1996. Before its most recent passage through the Solar System, its orbital period was about 17,000 years, but the gravitational Perturbation (astronomy), perturbation of the giant planets has increased this period to 70,000 years. This is the first comet to have an X-ray emission detected, which is most likely th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Comet Of 1556
The Great Comet of 1556 (designated C/1556 D1 in modern nomenclature) was a comet that first appeared in February 1556, and which was observed throughout much of Europe. The comet appears to have been seen in some places before the end of February, but it was not generally observed until the middle of the first week in March. Its apparent diameter was equal to half that of the Moon, and the tail was said to resemble "the flame of a torch agitated by the wind." Cornelius Gemma (the son of Gemma Frisius) said that the head of the comet, when it first appeared, was as large as Jupiter, and that its color resembled that of Mars. The course of the comet of 1556 was observed by Paul Fabricius, a mathematician and physician at the court of Charles V, Holy Roman Emperor. According to NASA, the comet was first reported on 27 February 1556. It was in perigee on 13 March and in perihelion on 22 April. Charles V comet The Great Comet of 1556 is called the comet of Charles V, Holy Roman ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parallax
Parallax is a displacement or difference in the apparent position of an object viewed along two different sightline, lines of sight and is measured by the angle or half-angle of inclination between those two lines. Due to perspective (graphical), foreshortening, nearby objects show a larger parallax than farther objects, so parallax can be used to determine distances. To measure large distances, such as the distance of a planet or a star from Earth, astronomers use the principle of parallax. Here, the term ''Stellar parallax, parallax'' is the semi-angle of inclination between two sight-lines to the star, as observed when Earth is on opposite sides of the Sun in its orbit. These distances form the lowest rung of what is called "the cosmic distance ladder", the first in a succession of methods by which astronomers determine the distances to celestial objects, serving as a basis for other distance measurements in astronomy forming the higher rungs of the ladder. Because parallax ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuremberg
Nuremberg (, ; ; in the local East Franconian dialect: ''Nämberch'' ) is the Franconia#Towns and cities, largest city in Franconia, the List of cities in Bavaria by population, second-largest city in the States of Germany, German state of Bavaria, and its 544,414 (2023) inhabitants make it the List of cities in Germany by population, 14th-largest city in Germany. Nuremberg sits on the Pegnitz (river), Pegnitz, which carries the name Regnitz from its confluence with the Rednitz in Fürth onwards (), and on the Rhine–Main–Danube Canal, that connects the North Sea to the Black Sea. Lying in the Bavarian Regierungsbezirk, administrative region of Middle Franconia, it is the largest city and unofficial capital of the entire cultural region of Franconia. The city is surrounded on three sides by the , a large forest, and in the north lies (''garlic land''), an extensive vegetable growing area and cultural landscape. The city forms a continuous conurbation with the neighbouring ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bernhard Walther
Bernhard Walther (1430June 19, 1504) was a German merchant, humanist and astronomer based in Nuremberg, Germany. Walther was born in Memmingen, and was a man of large means, which he devoted to scientific pursuits. When Regiomontanus settled in Nuremberg in 1471, they worked in collaboration to build an observatory and a printing press. After the death of Regiomontanus in 1476 at Rome, Walther bought his instruments, after Hans von Dorn, commissioned by the Hungarian king, had failed to come to an agreement with the council of Nuremberg. Walther continued to observe the planets until his death in Nuremberg. His house, purchased in 1509 by Albrecht Dürer, is today a museum. Astronomy Walther amplified on the effects of refraction in altering the apparent location of the heavenly bodies, and substituted Venus for the Moon as a connecting-link between observations of the Sun and stars. As a result, his observations are the most precise prior to those of Tycho Brahe. His pupil Joha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Copernican Revolution
The term "Copernican Revolution" was coined by the German philosopher Immanuel Kant in his 1781 work ''Critique of Pure Reason''. It was the paradigm shift from the Ptolemaic model of the heavens, which described the cosmos as having Earth stationary at the center of the universe, to the heliocentric model with the Sun at the center of the Solar System. This revolution consisted of two phases; the first being extremely mathematical in nature and beginning with the 1543 publication of Nicolaus Copernicus’s ''De revolutionibus orbium coelestium'', and the second phase starting in 1610 with the publication of a pamphlet by Galileo. Contributions to the "revolution" continued until finally ending with Isaac Newton's 1687 work . Heliocentrism Before Copernicus The "Copernican Revolution" is named for Nicolaus Copernicus, whose '' Commentariolus'', written before 1514, was the first explicit presentation of the heliocentric model in Renaissance scholarship. The idea of helioce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
