Hipparchus - Wikipedia Hipparchus is considered the greatest ancient astronomical observer and, by some, the greatest overall astronomer of antiquity [4][5] He was the first whose quantitative and accurate models for the motion of the Sun and Moon survive
Hipparchus | Biography, Discoveries, Accomplishments, Facts | Britannica Hipparchus (born, Nicaea, Bithynia [now Iznik, Turkey]—died after 127 bce, Rhodes?) was a Greek astronomer and mathematician who made fundamental contributions to the advancement of astronomy as a mathematical science and to the foundations of trigonometry
Hipparchus of Nicea: Greatest Astronomer of His Time Hipparchus of Nicea (l c 190 - c 120 BCE) was a Greek astronomer, geographer, and mathematician regarded as the greatest astronomer of antiquity and one of the greatest of all time
Hipparchus - Biography, Facts and Pictures - Famous Scientists Hipparchus was one of antiquity’s greatest scientists 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 (astronomer) - New World Encyclopedia Hipparchus is recognised as the first mathematician to compile a trigonometry table, which he needed when computing the eccentricity of the orbits of the Moon and Sun
Hipparchus - History of Math and Technology Hipparchus is widely regarded as the father of trigonometry He was the first to systematically study the relationships between angles and distances in a circle, a fundamental concept in trigonometry
Hipparchus | History | Research Starters - EBSCO Hipparchus was the greatest astronomer of ancient times He was the founder of trigonometry, which he used to determine the distances from Earth to the moon and sun, and the first to use consistently the idea of latitude and longitude to describe locations on Earth and in the sky
Hipparchus Biography - Life of Greek Astronomer Over the course of his life, Hipparchus would be a very accomplished astronomer and mathematician He is believed to have been the founder of trigonometry and, although he made the discovery somewhat by accident, he is credited for revealing the precession of the equinoxes
Hipparchus - New Mexico Museum of Space History Hipparchus recorded astronomical observations from 147 to 127 BC, all apparently from the island of Rhodes During this period he may have invented the planispheric astrolabe, a device on which the celestial sphere is projected onto the plane of the equator