WebHipparchus 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. He was also the … WebThe culminating work of Greek astronomy is the Almagest of Claudius Ptolemaeus (2nd century ce).Ptolemy built on the work of his predecessors—notably Hipparchus—but his work was so successful …
Ancient Star Catalogue of Greek Astronomer Hipparchus …
WebMay 29, 2024 · The Greek astronomer Hipparchus (active 162-126 B.C.) discovered the precession of the equinoxes, founded trigonometry, and compiled the first star catalog. Born at Nicaea in Bithynia, Hipparchus studied astronomy, perhaps under Theodosius, and made some of his early observations in his native city. From at least 162 B.C. he was on … WebFeb 24, 2024 · The astronomy of Hipparchus. Hipparchus was born in the ancient Greek polis (city) of Nicaea in Bithynia, a region of Anatolia (modern-day Turkey). He was probably born around 190 BC and … dewey\u0027s anchorage
Hipparchus - Other scientific work Britannica
WebHipparchus 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. WebJul 2, 2024 · A Greek mathematician and astronomer, he measured the earth-moon distance accurately, founded the mathematical discipline of trigonometry, and his combinatorics work was unequalled until 1870. Hipparchus discovered the precession of the equinoxes and observed the appearance of a new star – a nova. WebHipparchus (/ h ɪ ˈ p ɑːr k ə s /; Greek: Ἵππαρχος, Hipparkhos; c. 190 – c. 120 BC) was a Greek astronomer, geographer, and mathematician.He is considered the founder of trigonometry, but is most famous for his … dewey\\u0027s appliance augusta wv