While we know today this model is incorrect . Ptolemy's discovery | Article about Ptolemy's discovery by ... What did Claudius Ptolemy discover? Geography consisted of eight volumes. Claudius Ptolemy was a famous astronomer who lived about 2,000 years ago in the Roman Empire. Ptolemy, Latin in full Claudius Ptolemaeus (fl. Claudius Ptolemy was a Greco-Egyptian mathematician, astronomer, astrologer, and writer. Ptolemy was an influential astronomer, geographer, and mathematician of the ancient world. Claudius Ptolemy | Who was, biography, theory, map ... What did Copernicus discover? Virtually nothing is known about his life. O Gingerich, The Eye of Heaven: Ptolemy, Copernicus, Kepler (1993). There is an This work dealt with the geometry of vision, with little reference to either the physical or psychological aspects of sight. With Ptolemy's text in hand, a reader could observe the night sky through the eyes of an . This was also the name of a Greek astronomer. In order to explain the motion of the planets, Ptolemy combined eccentricity with an epicyclic model. P tolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. The empirical methodology he developed proved to be extraordinarily accurate for its day and was still in use at the time of Copernicus and Kepler. It led him to discover the American land. Claudius Ptolemy (c. 100 - 170 CE) was a Greco-Roman mathematician, astronomer, geographer and astrologer. Ptolemy, however, is a Greek name and Ptolemy wrote in Greek. . His name Ptolemy is, in fact, an Egyptian name, while Claudius is a Roman name. Much of medieval astronomy and geography was based on his ideas: his map of the world, published in the second century as part of his treatise Geography, was the first to use longitudinal and latitudinal lines. AskBug. Ptolemy was an astronomer and mathematician. . Ptolemy and Regiomontanus shown on the frontispiece to Regiomontanus' Epitome of the Almagest, 1496. . The work he did, as compared to other Greek mathematicians, has caused argument and discussion. Claudius Ptolemy, Claudius Ptolemy The Greek astronomer, astrologer, and geographer Claudius Ptolemy (ca. What are facts about Ptolemy? Ptolemy was an astronomer and mathematician. In two works . His most notable . Ptolemaic system, also called geocentric system or geocentric model, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about 150 CE and recorded by him in his Almagest and Planetary Hypotheses.The Ptolemaic system is a geocentric cosmology; that is, it starts by assuming that Earth is stationary and at the centre of the universe. He systematically charted the sky to help predict and explain the motions of the planets and stars. J L E Dreyer, A history of astronomy from Thales to Kepler (New York, 1953). Facts about Claudius Ptolemy 8: the third treatise Questions. T L Heath, A Manual of Greek Mathematics . Almost nothing is known about Ptolemy's life. What did Ptolemy discover? The Epitome was one of the most important Renaissance sources on ancient astronomy. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror. Claudius is a Roman name, and as . Connect with: Register or Login. What did Claudius Ptolemy discover? 142). He was a Greek who probably lived and worked in Alexandria, in Egypt. An Astronomer in Ancient Times Claudius Ptolemy (about 85-165 CE) lived in Alexandria, Egypt, a city established by Alexander the Great some 400 years before Ptolemy's birth. He believed that the Earth was the center of the Universe. He lived in Roman-era Egypt, and was most likely born in the town of Ptolemais Hermiou, in the Thebaid, Upper Egypt; he died . Very little is known about his personal life. In his model of the solar system, the sun, moon, and planets revolved around the Earth. He was born in Egypt in approximately 90, and may have lived until 168. He was a mathematician, astronomer and geographer. The Almagest, written by Claudius Ptolemy, was the work that defined astronomy for over 1,000 years, with a catalogue of over a thousand stars, their positions, constellations, and relative brightnesses, as well as a mathematical model predicting the movements of the planets. His full name was Claudius Ptolemaeus. What did Ptolemy discover about light? was a Macedonian general under Alexander the Great (356-323 B.C.E. ) Also know, what did Claudius Ptolemy discover? Egypt was the center of learning in those times, and it was there that Ptolemy got his education. AD 127-145, Alexandria), ancient astronomer, geographer, and mathematician who considered the Earth the . He believed that the Earth was the center of the Universe.The word for earth in Greek is geo, so we call this idea a "geocentric" theory. His astrological treatise, a work in four parts, is known by the Greek term Tetrabiblos, or the Latin equivalent Quadripartitum: 'Four Books'. Early in his life he became a Roman citizen, but researchers show he conducted most of his work and writing in Alexandria, Egypt. The word for earth in Greek is geo, so we call this idea a "geocentric" theory. Why is Claudius Ptolemy important? 100-ca. View six larger pictures Biography By the 12 th century, it gained the desired reputation and was widely sought after. Claudius Ptolemy was a first and second century CE, philosopher and scientist, who produced a number of writings on a wide range of topics. Ancient Greek scientist. The second child and eldest son of Otto Brahe and his wife, Beate Bille, Tycho (Danish, Tyge) was born at the fa… Much of medieval astronomy and geography were built on his ideas: his world map, published as part of his treatise Geography . Under its Greek rulers, Alexandria cultivated a famous library that attracted many scholars from Greece, and its school for astronomers received generous patronage. Encyclopædia Britannica, Inc. See all videos for this article Ptolemy, Latin in full Claudius Ptolemaeus, (born c. 100 ce —died c. 170 ce ), an Egyptian astronomer, mathematician, and geographer of Greek descent who flourished in Alexandria during the 2nd century ce. One may also ask, what was Ptolemy's theory? What did Ptolemy discover ks2? Claudius Ptolemy was a Greek mathematician, astronomer and geographer. Ptolemy synthesized Greek knowledge of the known Universe. Ptolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. Ptolemy I (c. 366-283 B.C.E. ) We know little about his life but we know much about his famous works on astronomy and the solar . He was born in Egypt, and he died there too. Theme can be used to create a professional Q&A community. How did Hipparchus of Nicaea discover trigonometry? G Grasshoff, The history of Ptolemy's star catalogue (New York, 1990). Claudius Ptolemy was a Greek mathematician, astronomer and geographer. Ptolemy, Latin in full Claudius Ptolemaeus (fl. Claudius Ptolemy refined the deferent-and-epicycle concept and introduced the equant as a mechanism for accounting for velocity variations in the motions of the planets. His work enabled astronomers to make accurate predictions of planetary positions and solar and lunar eclipses , promoting acceptance of his view of the cosmos in the Byzantine and Islamic worlds and throughout Europe for more than 1400 years. What Claudius Ptolemy discovered. There is, however, no direct evidence to support a relationship. Answer: The ancient mathematician Euclid wrote a work about optics before Claudius Ptolemy. Ptolemy (Claudius Ptolemaeus). The ancient Alexandrian astronomer Claudius Ptolemy reports some 19 eclipses of the Moon in his astronomical treatise known today as the Almagest (Toomer 1984, Britton 1992, Steele 2000a, Steele 2000b).He explains that ten of these eclipses were observed in Babylon, five by earlier Greek astronomers in Alexandria and Rhodes, and the final four by Ptolemy himself in Alexandria. How did the Ptolemaic model explain? Much of medieval astronomy and geography were built on his ideas: his world map, published as part of his treatise Geography in the 2nd century, was the first to use longitudinal and latitudinal lines. Claudius Ptolemy lived and worked in the city of Alexandria, capital of the Roman province of Egypt, during the reigns of the later Flavian and the Antonine emperors. Facts about Claudius Ptolemy 7: Christopher Columbus. Ptolemy was the name of several Greco-Egyptian rulers of Egypt, all descendants of Ptolemy I Soter, one of the generals of Alexander the Great. What did Ptolemy believe? Biography & Discoveries of Astronomer Ptolemy Claudius Ptolemy Ptolemy, a Greek astronomer and geographer, lived in around 85 to 165 A.D. What did Ptolemy discover? 170) established the system of mathematical astronomy… Tycho Brahe, Brahe, Tycho Brahe, Tycho astronomy. Click to see full answer. Christopher Columbus used the manuscript created by Ptolemy related to the geographic knowledge of the Greco-Roman world for his information as the pathway to reach Asia. How did Claudius Ptolemy change the world? What did Claudius Ptolemy discover? He was a scientist and philosopher who lived in Alexandria, Egypt nearly 2,000 years ago. The Almagest was preserved in Arabic manuscripts, like most of the Classical Greek Science. He is best remembered for the Ptolemaic or Geocentric model of our universe - that Earth is in the centre and all planets and the sun revolve around this. P tolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. Claudius Ptolemy (about 85-165 CE) lived in Alexandria, Egypt, a city established by Alexander the Great some 400 years before Ptolemy's birth. What is the point of literature? Did Ptolemy create epicycles? Christopher Columbus used the manuscript created by Ptolemy related to the geographic knowledge of the Greco-Roman world for his information as the pathway to reach Asia. Ptolemy synthesized Greek knowledge of the known Universe. Lived in the second century. The first discussed the . Timeline of Mathematics. Ptolemy's Work on Astronomy Claudius Ptolemy lived in Alexandria in the first part of the second century, and he should be called Hellenistic rather than Greek. Astronomical knowledge from Alexandria fascinated Renaissance readers throughout Europe. Claudius Ptolemy was a famous astronomer who lived about 2,000 years ago in the Roman Empire. V A Bronshten, Claudius Ptolemy : Second century A.D (Russian) 'Nauka' (Moscow, 1988). AD 127-145, Alexandria), ancient astronomer, geographer, and mathematician who considered the Earth the center of the universe (the "Ptolemaic system"). Looking at Ptolemy's Geography. Biographical information on Ptolemy is scanty. Claudius Ptolemy was a Greek geographer and astronomer, who worked out a form of geocentric theory that lasted for 1400 years. Little is known, personally, of this pivotal man aside from the general period during which he was active ca. to A.D.200 culminates with the contributions of the famous Greek scholar named Claudius Ptolemy. Dates of as­ tronomical observations that he claims to have 6 C. Ptolemy, 'E Mathematike Syntaxis (ca. What Claudius Ptolemy discovered Ptolemy made great geographical discoveries in which he created precise maps using different projection systems and discovered the geographical coordinates to locate places on earth. He lived mainly in Alexandria, Egypt, as it was a province of It led him to discover the American land. Written in Greek by Claudius Ptolemy, a Roman era scholar of Egypt, it is one of the most influential scientific texts of all time, with its geocentric model accepted for more than twelve hundred years from its origin in Hellenistic Alexandria, in the medieval . His theories about the universe dominated scientific thought until the Middle Ages. How did Claudius Ptolemy explain the motion of the planets? Claudius Ptolemy Quick Info Born about AD 85 Egypt Died about AD 165 Alexandria, Egypt Summary Ptolemy was the most influential of Greek astronomers and geographers of his time. Ptolemy's Optics survives in a poor Arabic translation and in several manuscrip. His work enabled astronomers to make accurate predictions of planetary positions and solar and lunar eclipses, promoting acceptance of his view of the cosmos in the Byzantine and Islamic worlds and throughout Europe for more than 1400 years. Scholars believed this theory until it was replaced by Copernicus' system in the 16th century. Ptolemy elaborated the geocentric system of the universe, according to which the apparent motions of the heavenly bodies can be explained in terms of the bodies' often very complex motion about a stationary earth. A clean and minimal question and answer theme for WordPress and AnsPress. Egypt was the center of learning in those times, and it was there that Ptolemy got his education. Under its Greek rulers, Alexandria cultivated a famous library that attracted many scholars from Greece, and its school for astronomers received generous patronage. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror. AUTHOR: Claudius Ptolemy DESCRIPTION: The early period of cartography, from 4,000 B.C. Facts about Claudius Ptolemy 7: Christopher Columbus. What did Eudoxus discover about the hives? What did Claudius Ptolemy accomplish? Ptolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. Social. Ptolemy's Theories and Scholarly Works on Geography. Claudius Ptolemaeus, known as Ptolemy, was a Greco-Roman citizen in Alexandria, Egypt, who lived between roughly 100 and 170 A.D. A polymath of enormous repute with influences across the sciences, Ptolemy is identified varyingly as an astronomer, a mathematician, a geographer and cartographer. Claudius Ptolemy (/ˈtɒləmi/; Greek: Κλαύδιος Πτολεμαῖος, Klaudios Ptolemaios, pronounced [kláwdios ptolɛmɛ́ːos]; Latin: Claudius Ptolemaeus; c. AD 90 - c. AD 168) was a Hellenized Egyptian astronomer, astrologer, geographer and mathematician. Ptolemy. Facts about Claudius Ptolemy 8: the third treatise Find facts about Claudius here. In fact, this discovery is one of Ptolemy's main . Claudius Ptolemy (often called Claudius Ptolemaeus, Ptolomaeus, Klaudios Ptolemaios, and simply Ptolemeus) was one of the earliest of these observers. Claudius Ptolemy was a Greek mathematician, astronomer and geographer. Claudius Ptolemy. Ptolemy is known for his three scholarly works: the Almagest— which focused on astronomy and geometry, the Tetrabiblos— which focused on astrology, and, most importantly, Geography— which advanced geographic knowledge. What is Ptolemy model of the universe? Questions; What did Claudius Ptolemy discover? He is famous for his work on astronomy and geography. As of July 1, 2013 ThinkQuest has been discontinued. Ptolemy examined the reflection of light on flat and spherical mirrors, as well as its refraction when it crosses the surface between two transparent media, to support his theory that vision is caused by a flow emanating from the eye. Claudius Ptolemy was a Greek mathematician, astronomer and geographer. The Almagest is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths. We would like to thank everyone for being a part of the ThinkQuest global community: Students - For your limitless creativity and innovation, which inspires us all.. Teachers - For your passion in guiding students on their quest.. Partners - For your unwavering support and evangelism.. Parents - For supporting the use of technology not only . Ptolemy. Ptolemy's Model of the Solar System Claudius Ptolemy lived and worked in the city of Alexandria, capital of the Roman province of Egypt, during the reigns of the later Flavian and the Antonine emperors. Mathematician and astronomer Claudius Ptolemy was probably born in what is today the country of Egypt, around 100 AD, and he lived later in the city of Alexandria. See also what spheres interact when a volcano erupts Ptolemy: Ptolemy, Latin in full Claudius Ptolemaeus (fl. Claudius is a Roman name and Claudius Ptolemy was a Roman citizen. His most notable accomplishments were in astronomy, with his advancement of the theory of epicycles, and as a geographer. A polymath of enormous repute with influences across the sciences, Ptolemy is identified varyingly as an astronomer, a mathematician, a geographer and cartographer. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror. He was an astronomer, mathematician, and geographer.He described in his writing the Greek geocentric view of the universe.Earlier Greek philosophers changed the old assumption of a flat Earth . Ptolemy's theory that the planets move in circular epicycles along their orbits, which was well-received during those days. The rediscovery, translation, and printing of Ptolemy's Geographia in fifteenth-century Italy revolutionized ideas about cosmology. The word for earth in . He lived from about 85 to 165 A.D. Most significantly, Ptolemy proposed that the Earth was at the center of the universe. example of: astronomer, stargazer, uranologist. Thereof, what theory of the universe did Ptolemy believe in? He was possibly related to the Greek Ptolemy royal dynasty, ousted by the Romans in 30 BC. and founder of the Ptolemaic dynasty of Egypt, a family of fifteen kings—all of whom were named Ptolemy—who reigned over Egypt for more than three hundred years. Much of medieval astronomy and geography were built on his ideas: his world map, published as part of his treatise Geography in the 2nd century, was the first to use longitudinal and latitudinal lines. Claudius Ptolemy was a Greek mathematician, astronomer, and geographer. Ptolemy is the English name for Claudius Ptolemaeus. We know little about his life but we know much about his famous works on astronomy and the solar . Beside above, who created the Ptolemy universe theory? Claudius Ptolemy was famous as an ancient scholar. He was a Roman of Greek origin, living and working in Alexandria. Claudius Ptolemaeus. Ptolemy discovered the equant scheme empirically, and used it to control the non-uniform rotation of the planets in his model. Much of medieval astronomy and geography were built on his ideas: his world map, published as part of his treatise Geography in the 2nd century, was the first to use longitudinal and latitudinal lines. Claudius Ptolemy c. AD 100 - c. AD 170) was a Greek who probably lived and worked in Alexandria, Egypt.He is famous for his work on astronomy and geography.Very little is known about his personal life. What is Claudius Ptolemy most famous for? Claudius Ptolemy Astronomer Specialty Mathematicians, astronomy, geology, astrologer Born c. AD 90 Egypt, Roman Empire Died c. AD 168 (aged 77-78) Alexandria, Egypt, Roman Empire Nationality Greco-Roman Claudius Ptolemy could very well be considered one of the greatest astronomers of the Roman Empire. He believed that the Earth was the center of the Universe. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror. What did Ptolemy discover about light? Ptolemy was an astronomer and mathematician. He lived in Alexandria in the Roman province of Egypt during the 2nd century and authored several scientific treatises, three of which were of considerable significance to the development of Byzantine, Islamic and European science in later centuries. Find facts about Claudius here. He propounded the geocentric theory of the solar system that prevailed for 1400 years. A.D. 90 to 168 (during the reigns of Hadrian and . He discovered the theory of mirrors and light reflection and refraction. We do not know what Ptolemy looked like. Ptolemy's theory of the solar system. He was born in Egypt, and he died there too. Claudius Ptolemy (/ ˈ t ɒ l ə m i /; Koinē Greek: Κλαύδιος Πτολεμαῖος, Klaúdios Ptolemaîos, [ˈklaw.di.os pto.lɛˈmɛ.os]; Latin: Claudius Ptolemaeus; c. 100 - c. 170 AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importance to later Byzantine, Islamic, and Western . AD 127-145, Alexandria), ancient astronomer, geographer, and mathematician who considered the Earth the center of the universe (the "Ptolemaic system"). Ptolemaic system, also called geocentric system or geocentric model, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about 150 CE and recorded by him in his Almagest and Planetary Hypotheses.The Ptolemaic system is a geocentric cosmology; that is, it starts by assuming that Earth is stationary and at the centre of the universe. Virtually nothing is known about his life. Ptolemy, a Greek astronomer and geographer, lived in around 85 to 165 A.D. The mathematician Claudius Ptolemy 'the Alexandrian' as imagined by a 16th-century artist Ptolemy has been referred to as "a pro-astrological authority of the highest magnitude". In the Ptolemaic system each planet revolves uniformly along a circular path (epicycle), the centre of which revolves around Earth along a larger circular path (deferent). What did Ptolemy discover? IzwHIH, UiMXxc, FRzDJid, SZM, uAktKTK, GhR, jlvk, GYT, ObYYO, IJzT, MkgxZF,

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