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en.wikipedia.org/wiki/Hipparchus

Hipparchus of Nicaea was a Greek astronomer, geographer, and mathematician. He is ... His other reputed achievements include the discovery and measurement of Earth's precession, the compilation of the first comprehensive star catalog of ...

biography.yourdictionary.com/hipparchus

A general survey of Hipparchus's life and an appreciation of his achievements, along with a detailed study of the fragments of his criticism of Eratosthenes, is in ...

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

Hipparchus was a Greek astronomer and mathematician. This biography profiles his childhood, life, achievements and timeline.

www.famous-mathematicians.com/hipparchus

Hipparchus Biography - Early Life and Works Hipparchus, better known as Hipparchos was a Greek mathematician born in 190 BC. Not much is known about ...

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

Jun 20, 2003 ... Hipparchus, also spelled Hipparchos (born , Nicaea, Bithynia [now Iznik, Turkey] —died after 127 bc , Rhodes?), Greek astronomer and ...

www.answers.com/Q/What_are_three_accomplishments_of_Hipparchus

He was the first Greek to develop quantitative and accurate models for the motion of the Sun and Moon. ~He was also the first to compile a trigonometric table, ...

www.encyclopedia.com/people/history/ancient-history-greece-biographies/hipparchus-astronomer

We drive most of our knowledge of Hipparchus' achievements in astronomy from the Almagest; and although Ptolemy obviously had studied Hipparchus' ...

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

Let us begin our detailed description of Hipparchus's achievements by looking at the only work which has survived. Hipparchus's Commentary on Aratus and ...

www.ancient.eu/Hipparchus_of_Nicea

Apr 2, 2013 ... Hipparchus of Nicea (190 BCE - 120 BCE) was an ancient Greek ... many of his achievements in astronomy remained widely accepted for 17 ...

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 ...