Trigonometry The Hipparchus Catalogue Essay - 575 Words

Have you ever wondered how many astronomers were out there? And also what they have contributed to this world? Well this astronomer I’m about to talk about, his name is Hipparchus. Hipparchus is a greek astronomer, mathematician and geographer. Hipparchus brought 3 contributions models, another math formula, and a method of prediction. He proposed around 250 BC, the Earth went around the Sun. If you want to find out more about this astronomer keep reading and you’ll find out about his life and about his contribution to this Earth. Also to the mathematical world by bringing another form of math into the equation. Around 190 BC Hipparchus was born in Nicaea in Bithynia (Now know as Turkey.) Hipparchus was the 1st astronomer to†¦show more content†¦This scale is still used today. The only difference from then and now is Hipparchus did not have the luxury of using a telescope. Ptolemy continued Hipparchuss work and his catalogue after he was dead. He gather another 37 in the end the total was 1080 stars. Hipparchus was credited with dividing a circle into 360 degrees. This was 1st used in trigonometry but later on used in other mathematical formulas and equations. Hipparchus had referred to Timocharis, who was and astronomer who lived 150 years before him. Hipparchus appears on many Roman coins from five different emperors reigns in 138 AD and 253 AD. Hipparchus has made three contributions to astronomy. Hipparchus was the 1st Greek to create a quantitative and an accurate model for the motion of the Sun and Moon. Another contribution he made is more towards mathematical contribution. Hipparchus possessed a trigonometric table and he likely solved problems of spherical trigonometry. The last contribution is he made a reliable method of predicting solar eclipses, and the compilation of the first comprehensive star catalog. Hipparchus has many others work but sadly they are now lost. These included an astronomical and astrological writings and a catalogue of his own works. In summary, Hipparchus was a Greek astronomer who gave three things to astronomy and the mathematical world. He kept a catalogue of all the stars he had observed over time. After HipparchusShow MoreRelatedEssay on The Age of Alexander1793 Words   |  8 Pagesthrough his many preserved works. Hipparchus (fl. 145-130 BC) He was one who put forth strong arguments against the heliocentric theory of Aristarchus--on the grounds that a mathematical system of eccentrics and epicycles seemed to account more logically for the movement of the heavens (he had a very strong influence on Ptolemy who took up his work several centuries later) and did not suffer from a theory which required the earth to move. This to Hipparchus flew solidly in the face of common sense