Hipparchus was best known for star catalog..
Hipparchus was best known for many things. One of them, he invented trigonometry.
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Hipparchus was best known for many things. One of them, he invented trigonometry.
Not a lot is known about Hipparchus, including where and how he was educated, and of he went to school.
Hipparchus is best known for his discovery of the precessional movement of the equinoxes. The alterations of the measured positions of the stars resulting from the movement of the points of intersection of the ecliptic and of the celestial equator.
Hipparchus' full name is Hipparchus of Nicaea.
Hipparchus has written: 'The geographical fragments of Hipparchus' -- subject(s): Ancient Geography
The Hipparchus's family is a mysterious family.
Hipparchus was the best astronomers of his time and was a Greek astronomer, geographer, and mathematician. He very accurately cataloged over 1,000 stars. Ptolemy was a great admirer of Hipparchus research and from what I've seen Ptolemy was often said to do what Hipparchus had done.
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Trigonometry
hipparchus
Hipparchus