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 …

Hipparchus (born, Nicaea, Bithynia [now Iznik, Turkey]—died after 127 bce, Rhodes?) was a Greek astronomer and mathematician who made fundamental contributions to the …

Mar 15, 2022 · Hipparchus of Nicea (lived circa 190 - circa 120 BCE) was a Greek astronomer, geographer, and mathematician regarded as the greatest astronomer of antiquity and one of …

Aug 26, 2016 · Hipparchus was one of antiquity’s greatest scientists. A Greek mathematician and astronomer, he measured the earth-moon distance accurately, founded the mathematical …

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 was a Greek mathematician who compiled an early example of trigonometric tables and gave methods for solving spherical triangles.

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 …

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 …

Hipparchus' catalog, completed in 129 BC, listed about 850 stars (not 1,080 as is often stated), the apparent brightnesses of which were specified by a system of six magnitudes similar to …

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 …