# Hipparchus

Hipparchus of rhodes was a renowned greek astrologer whose mathematical computations to chart the sun, moon, and stars led to his being named the founder of trigonometry. Hipparchus or hipparch (greek: ἵππαρχος died 514 bc) was a member of the ruling class of athenshe was one of the sons of peisistratoshe was a tyrant of the city of athens from 528/7 bc until his assassination by the tyrannicides, harmodius and aristogeiton in 514 bc life hipparchus was said by some greek authors to have been the tyrant of athens, along with his brother hippias. Hipparchus is a unique figure in the history of astronomy in that, while there is general agreement that his work was of profound importance, we are singularly ill-informed about it. (2nd century bc)a prolific and talented greek astronomer, hipparchus made fundamental contributions to the advancement of astronomy as a mathematical science he also helped to lay the foundations of trigonometryalthough he is commonly ranked among the greatest scientists of antiquity, very little is known about his life, and only one of his many writings is still in existence. Hipparchus turkey inducted in 2004 ancient greek mathematician and astronomer who determined the distance from the earth to the moon and produced the first-known star catalogues.

Hipparchus was a truly remarkable man it was a stroke of genius to develop trigonometry more than 2,000 years ago he inspired me to predict that there will be an earthquake in san francisco, california on saturday, october 27, 2012 at 9:41:27 pm pdt. Hipparchus is often called the first real astronomer, as he was the first greek to actually make systematic observations of the sky he was also a very talented mathematician who made great strides in the development of the classic greek model of the solar system. Hipparchus was a greek astronomer and mathematician he is known for discovering the change in the orientation of the earth’s axis and the axis of other planets with respect to the center of the sun.

Background birth: 190 bc location of birth: he was born in nicaea, bithynia that has now been renamed as iznik, turkey death: 120 bc and cause of death is unavailable. Hipparchus was the most important greek astronomers of his time he very accurately cataloged over 1,000 stars and invented the mathematical science of trigonometry ptolemy was a great admirer of hipparchus's research and recorded some of it in his. Greek astronomer and mathematician who discovered the precession of the equinoxes and made the first known star chart and is said to have invented trigonometry (second century bc.

[228d] he proceeded next, with the design of educating those of the countryside, to set up figures of hermes for them along the roads in the midst of the city and every district town and then, after selecting from his own wise lore, both learnt from others and discovered for himself, the things that he considered the wisest, he threw these. Hipparch definition at dictionarycom, a free online dictionary with pronunciation, synonyms and translation look it up now. Hipparchus of nicea (190 bce - 120 bce) was an ancient greek mathematician, astronomer and geographer, regarded by many historians as a scientist of the highest quality and possibly the greatest astronomical genius among the ancient greeks basing most of his success on systematically exploiting the. Hipparchus's most important astronomical work concerned the orbits of the sun and moon, a determination of their sizes and distances from the earth, and the study of eclipseslike most of his predecessors— aristarchus of samos was an exception—hipparchus assumed a spherical, stationary earth at the centre of the universe (the geocentric cosmology (geocentric system). Hipparchus, fl 2d cent bc, greek astronomer, b nicaea, bithynia he is the first systematic astronomer of whom there are records he made his observations chiefly on the island of rhodes.

Because math is the language of science, his contributions are particularly important early life hipparchus was born around 190 bce in nicaea, bithynia (now known as now iznik,turkey) his early life is mostly a mystery, but what we do know about him comes from ptolemy's almagest he is mentioned in other writings as well. New updates (10/18/2018) we've been working really hard on completing our membership system so you can submit quotes and keep track of them once this is complete in the coming weeks there will be a lot more quotes by hipparchus and other authors. Hipparchus • hipparchus (noun) the noun hipparchus has 1 sense: 1 greek astronomer and mathematician who discovered the precession of the equinoxes and made the first known star chart and is said to have invented trigonometry (second century bc. Modularized hipparchus is a large library, so it has been split into several modules users can select only the modules they need and developers can update modules more easily and more often than would be possible in a large monolithic library.

## Hipparchus

Hipparchus of nicaea (second century bce): greek astronomer, discoverer of the precession. Hipparchus: hipparchus, greek astronomer and mathematician who made fundamental contributions to the advancement of astronomy as a mathematical science and to the foundations of trigonometry although he is commonly ranked among the greatest scientists of antiquity, very little is known about his life. Hipparchus 190 bc-120 bc little is known of hipparchus's life, but he is known to have been born in nicaea in bithynia only one work by hipparchus has survived, and this is certainly not one of his major works.

- Hipparchus of nicaea (/hɪˈpɑrkəs/ greek: ἵππαρχος, hipparkhos c 190 – c 120 bce), was a greek astronomer, geographer, and mathematician of the.
- Hipparchus of nicaea (/ h ɪ ˈ p ɑːr k ə s / greek: ἵππαρχος, hipparkhos c 190 – c 120 bc) was a greek astronomer, geographer, and mathematicianhe is considered the founder of trigonometry but is most famous for his incidental discovery of precession of the equinoxes hipparchus was born in nicaea, bithynia (now i̇znik, turkey), and probably died on the island of rhodes.
- Hipparchus was a greek astronomer who lived between 190-120 bc he created the first accurate star map and kept a catalogue of over 850 stars with their relative brightnesses.

Ithe ecliptic and the zodiacal constellations along one year, the earth performs one revolution around the sun from a geocentric point of view, the sun is seen achieving a complete turn from west to east on a large circle of the celestial sphere : the ecliptic, inclined to the celestial equator. Hipparchus of rhodes: hipparchus, (b nicaea, bithynia--d after 127 bc, rhodes), greek astronomer and mathematician who discovered the precession of the equinoxes, calculated the length of the year to within 6 1/2 minutes, compiled the first known star catalog, and made an early formulation of trigonometry. Hipparchus 0 references described by source nordisk familjebok 0 references small brockhaus and efron encyclopedic dictionary statement is subject of q21400390 0 references brockhaus and efron encyclopedic dictionary statement is subject of q21400389 0 references armenian soviet encyclopedia volume 6. Texts recounting the life and career of the tyrant hipparchus, the son of the tyrant pisistratus.