Hipparchus is considered the greatest ancient astronomical observer and, by some, the greatest overall astronomer of antiquity. He was the first whose quantitative and accurate models for the motion of the Sun and Moon survive. For this he certainly made use of the observations and perhaps the mathematical techniques accumulated over centuries by the Babylonians and by Meton of Athens (fifth century BC), Timocharis, Aristyllus, Aristarchus of Samos, and Eratosthenes, among others.
生涯とキャリア
He developed trigonometry and constructed trigonometric tables, and he solved several problems of spherical trigonometry. His other reputed achievements include the discovery and measurement of Earth's precession, the compilation of the first known comprehensive star catalog from the western world, and possibly the invention of the astrolabe, as well as of the armillary sphere that he may have used in creating the star catalogue. He contributed to optics, developing an atomist theory of light. He is often called the "father of astronomy", a title conferred on him by Jean Baptiste Joseph Delambre in 1817.
主な事実
- Born: January 1, 190 in Nicaea, Kingdom of Bithynia
- 分野: Mathematics
遺産と影響
The influence of Hipparchus extends far beyond his own lifetime. He fundamentally shaped the foundations of modern mathematics, and his theorems and mathematical frameworks remain foundational to this day.
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