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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 ...

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

Hipparchus: Nicaea, Bithynia [now Iznik, Turkey] after 127 bc Rhodes? Greek astronomer and mathematician who made fundamental contributions to the ...

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

Little is known of Hipparchus's life, but he is known to have been born in Nicaea in Bithynia. The town of Nicaea is now called Iznik and is situated in ...

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 ...

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 ...

fermatslasttheorem.blogspot.com/2006/04/hipparchus-of-rhodes.html

Apr 16, 2006 ... Hipparchus is considered by many to be the father of trigonometry ... Hipparchus was born around 190 B.C. in the town of Nicaea and died ...

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

Little is known of Hipparchus's life, but he is known to have been born in Nicaea in Bithynia. Only one work by Hipparchus has survived, and this is certainly not ...

www.newworldencyclopedia.org/entry/Hipparchus_(astronomer)

Feb 24, 2014 ... Ptolemy's synthesis of astronomy superseded Hipparchus's work; ... Hipparchus is believed to have died on the island of Rhodes, where he ...

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 ...

www.thefamouspeople.com/profiles/hipparchus-7480.php

Jun 1, 2016 ... Hipparchus was a Greek astronomer and mathematician. ... Hipparchus was born in 190 BC in Nicaea, Bithynia which is presently known as ...