How To Use Hipparchus In A Sentence
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We show above that Hipparchus' and Ptolemy 's arguments are based on an implicit false premise - that one would feel the motion.
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The Romaka-Siddhanta was based on the tropical year of Hipparchus and on the Metonic cycle of 19 years.
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Hipparchus was critical of the grid defined by Eratosthenes, saying reasonably enough that it was chosen arbitrarily.
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The plot miscarried, only Hippias' younger brother Hipparchus was killed, and the ‘tyrannicides’ were executed.
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There is evidence that the Babylonians were using sine tables, recorded in cuneiform symbols on clay tablets, long before Hipparchus.
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(The equation of the centre, discovered by Hipparchus.) (_a_) The evection, discovered by Hipparchus and Ptolemy.
Pioneers of Science
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For his lunar theory [Hipparchus] needed to establish the mean motions of the Moon in longitude, anomaly and latitude.
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Geminus wrote a number of astronomy texts, including the elementary text Isagoge or Introduction to Astronomy based on the work of Hipparchus which we referred to above.
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A corollary of this is that, before Hipparchus, astronomical tables based on Greek geometrical methods did not exist.
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Attributed to the famous poet Simonides, it extolled the tyrannicides and their liberation of Athens with the words, ‘A marvelous great light shone upon Athens when Aristogeiton and Harmodios slew Hipparchus.’
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Let us first summarise the main contribution of Hipparchus and then examine them in more detail.
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The magnitude of a star is based on a scale more than 2,000 years old, devised by Greek astronomer Hipparchus in about 125 BC.
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Mr Wright found evidence that the Antikythera mechanism would have been able to reproduce the motions of the sun and moon accurately, using an epicyclic model devised by Hipparchus, and of the planets Mercury and Venus, using an epicyclic model derived by Apollonius of Perga.
Boing Boing: September 29, 2002 - October 5, 2002 Archives
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Hipparchus, the parallactic rules of Ptolemy, Regimontanus Purbach, and
Scientific American Supplement, No. 484, April 11, 1885
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The magnitude of a star is based on a scale more than 2,000 years old, devised by Greek astronomer Hipparchus in about 125 BC.
