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en.wikipedia.org/wiki/Hipparchus

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 equinoxes. Hipparchus was born in Nicaea, Bithynia (now Iznik, Turkey), and probably died on the island of Rhodes.

www.britannica.com/biography/Hipparchus-Greek-astronomer

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

www-groups.dcs.st-and.ac.uk/history/Biographies/Hipparchus.html

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 ...

www.ancient.eu/Hipparchus_of_Nicea

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

abyss.uoregon.edu/~js/glossary/hipparchus.html

Hipparchus of Rhodes: Hipparchus, (b. Nicaea, Bithynia--d. after 127 BC, Rhodes?), Greek astronomer and mathematician who discovered the precession of the ...

www.thoughtco.com/hipparchus-of-rhodes-3072234

Mar 2, 2017 ... It's a fascinating branch of mathematics, and it all came about through the genius of Hipparchus of Rhodes. Hipparchus was a Greek scholar ...

www2.stetson.edu/~efriedma/periodictable/html/Hs.html

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.

www.famousscientists.org/hipparchus

Hipparchus is sometimes known as Hipparchus of Nicea, reflecting his birthplace . He is also known as Hipparchus of Rhodes, because he seems to have lived ...

quatr.us/greeks/science/astronomy/hipparchus.htm

Hipparchus was a Greek astronomer and mathematician who used ... At this time, Rhodes was an independent and rich country, though it was mostly under the ...

www.sites.hps.cam.ac.uk/starry/hipparchus.html

Hipparchus was born in Nicaea in Bithynia, but spent much of his life in Rhodes. He is generally considered to be one of the most influential astronomers of ...