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Hipparchus of Nicaea was a Greek astronomer, geographer, and mathematician. He is considered the founder of trigonometry but is most famous for his incidental discovery of precession of the equinoxe...

Hipparchus biography - MacTutor History of Mathematics


However, of the observations which are said to have been made by Hipparchus, some were made in the north of the island of Rhodes and several (although ...

Hipparchus the Astronomer - Mlahanas.de


Hipparchus of Rhodes (called also Hipparchus of Nicaea or Hipparchus of Bithynia) (c. 190 – 120 BC) is one of the greatest astronomers of all times. He was ...

Hipparchus of Nicea - Ancient History Encyclopedia


Apr 2, 2013 ... Hipparchus of Nicea (190 BCE - 120 BCE) was an ancient Greek mathematician, astronomer and geographer, regarded by many historians as ...



Even if he did not invent it, Hipparchus is the first person whose systematic use of ... on Aratus by Attalus of Rhodes, written shortly before the time of Hipparchus.

Who was Hipparchus? - Greek Astronomy and Trigonometry - Quatr.us


For the same reason, Hipparchus may have been behind the construction of the Antikythera Mechanism built in Rhodes about this time: it's a clockwork machine ...

Hipparchus of Rhodes - Space/Astronomy - About.com


Dec 31, 2015 ... Hipparchus of Rhodes is considered the greatest astronomical observer in early human history. He made many advances in geography and ...

Hipparchus, Greek astronomer - Infoplease


He made his observations chiefly on the island of Rhodes. Ptolemy's geocentric theory of the universe was based largely on the conclusions of Hipparchus, ...

Hipparchus - Crystalinks


Hipparchus is believed to have died on the island of Rhodes, where he spent most of his later life - Ptolemy attributes observations to him from Rhodes in the ...

Hipparchus (astronomer) - New World Encyclopedia


Feb 24, 2014 ... Hipparchus is believed to have died on the island of Rhodes, where he spent most of his later life. Ptolemy attributes observations to him from ...

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Hipparchus | Greek astronomer | Britannica.com


Hipparchus, also spelled Hipparchos (born , Nicaea, Bithynia [now Iznik, Turkey] —died after 127 bc , Rhodes?) Greek astronomer and mathematician who made  ...

Hipparchus - University of Oregon


Hipparchus carried out his observations in Bithynia, at Rhodes, where he spent much time, and also, it seems, at Alexandria. The year 127 BC is usually cited as  ...

Starry Messenger: Hipparchus Biography


The Greek astronomer Hipparchus (second century B.C) is credited with ... Hipparchus was born in Nicaea in Bithynia, but spent much of his life in Rhodes.