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Hipparchus | Biography, Discoveries, Accomplishments, & Facts
https://www.britannica.com/biography/Hipparchus-Greek-astronomer
WEBMar 13, 2024 · 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.
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Hipparchus of Nicea - World History Encyclopedia
https://www.worldhistory.org/Hipparchus_of_Nicea/
WEBMar 15, 2022 · 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. He is best known for his discovery of the precession of the equinoxes and contributed significantly to the field of astronomy on every level.
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Hipparchus summary | Britannica
https://www.britannica.com/summary/Hipparchus-Greek-astronomer
WEBHipparchus, or Hipparchos, (born, Nicaea, Bithynia—died after 127 bc, Rhodes?), Greek astronomer and mathematician. He discovered the precession of the equinoxes ( see equinoxes, precession of the), calculated the length of the year to within 6.5 minutes, compiled the first known star catalog, and made an early formulation of trigonometry .
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Hipparchus - Wikipedia
https://en.wikipedia.org/wiki/Hipparchus
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 incidental discovery of the precession of …
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Hipparchus - Biography, Facts and Pictures - Famous Scientists
https://www.famousscientists.org/hipparchus/
WEBAug 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 discipline of trigonometry, and his combinatorics work was unequalled until 1870. Hipparchus discovered the precession of the equinoxes and observed the …
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Hipparchus (190 BC - 120 BC) - Biography - MacTutor History of …
https://mathshistory.st-andrews.ac.uk/Biographies/Hipparchus/
WEBQuick Info. Born. 190 BC. Nicaea (now Iznik), Bithynia (now Turkey) Died. 120 BC. probably Rhodes, Greece. Summary. Hipparchus was a Greek mathematician who compiled an early example of trigonometric tables and gave methods for solving spherical triangles. View three larger pictures. Biography.
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Hipparchus (astronomer) - New World Encyclopedia
https://www.newworldencyclopedia.org/entry/Hipparchus_(astronomer)
WEBHipparchus ( Greek Ἳππαρχος) (ca. 190 B.C.E. - ca. 120 B.C.E.) was a Greek, astronomer, geographer, and mathematician of the Hellenistic period. He is known to have been active at least from 147 B.C.E. to 127 B.C.E. Hipparchus is considered the greatest astronomical observer, and by some the greatest astronomer of classical antiquity.
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Hipparchus - Astronomy, Geography, Mathematics | Britannica
https://www.britannica.com/biography/Hipparchus-Greek-astronomer/Other-scientific-work
WEBHipparchus’s most significant contribution to mathematics may have been to develop—if not actually invent—a trigonometry based on a table of the lengths of chords in a circle of unit radius tabulated as a function of the angle subtended at the centre.
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Hipparchus (astronomer) | Encyclopedia.com
https://www.encyclopedia.com/people/history/ancient-history-greece-biographies/hipparchus-astronomer
WEBMay 29, 2018 · History. Ancient History, Greece: Biographies. Hipparchus (astronomer) views 3,172,867 updated May 29 2018. HIPPARCHUS. ( b. Nicaea, Bithynia [now Iznik, Turkey],first quarter of second century B.C.; d.Rhodes [?], after 127B.C) astronomy, mathematics geography.
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The world’s oldest map of the night sky was amazingly accurate
https://www.nationalgeographic.com/magazine/article/worlds-oldest-map-of-night-sky-amazingly-accurate
WEBDec 8, 2022 · SCIENCE. The world’s oldest map of the night sky was amazingly accurate. Newly discovered fragments of 2,200-year-old star coordinates—once thought lost—reveal the incredible skill of the ancient...
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