Admin Table of Contents
How did Hipparchus change the world?
Hipparchus was the first person to record the earth’s precession. He did this by noting the precise locations stars rose and set during equinoxes – the twice yearly dates when night length and day length are exactly 12 hours.
What is the biggest contribution of Hipparchus?
His contribution was to discover a method of using the observed dates of two equinoxes and a solstice to calculate the size and direction of the displacement of the Sun’s orbit.
What is the contribution of Hipparchus?
Hipparchus. Hipparchus, (b. Nicaea, Bithynia–d. after 127 BC, Rhodes?), Greek astronomer and mathematician who discovered the precession of the equinoxes, calculated the length of the year to within 6 1/2 minutes, compiled the first known star catalog, and made an early formulation of trigonometry.
What is the contribution of Claudius Ptolemy?
Ptolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror.
What is the major contribution of Tycho Brahe to the field of astronomy?
What were Tycho Brahe’s accomplishments? Tycho Brahe made accurate observations of the stars and planets. His study of the “new star” that appeared in 1572 showed that it was farther away than the Moon and was among the fixed stars, which were regarded as perfect and unchanging.
How did Menelaus contribute to trigonometry?
Menelaus’s most important work is Sphaerica, on the geometry of the sphere, extant only in an Arabic translation. Furthermore, he originated the use of arcs of great circles instead of arcs of parallel circles on the sphere, a major turning point in the development of spherical trigonometry.
What is the contribution of Hipparchus in mathematics?
Hipparchus was one of antiquity’s greatest scientists. A Greek mathematician and astronomer, he measured the earth-moon distance accurately, founded the mathematical discipline of trigonometry, and his combinatorics work was unequalled until 1870.
How did Hipparchus influence the field of astronomy?
How did Hipparchus influence astronomy? How did Hipparchus influence astronomy? A Greek mathematician and astronomer, he measured the earth-moon distance accurately, founded the mathematical discipline of trigonometry, and his combinatorics work was unequalled until 1870.
What happened to Hipparchus?
At the age of 70, ie in 120 BC, Hipparchus was been assassinated by the Aristogeiton, Harmodius, and Tyrannicides.
How many compound propositions did Hipparchus make?
Hipparchus calculated 103,049 compound propositions which were made by ten simple propositions. He has created many devices for astronomical observations and calculations, like the armillary sphere, the gnomon, the astrolabe.