# Trigonometry: The Hipparchus Catalogue Essay

575 Words 3 Pages
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
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 figure out how far the Sun was from the Earth. There are records from 147 to 127 BC of his achievements with trigonometry. During the 18th century Lazare Carnot, a French statesman and mathematician, showed that the whole layout of trigonometry can be deduced from his own formulas. Hipparchus catalogue was completed in about 129 BC, it had listed about 850 stars. He had spent most of his life in Rhodes in the observatories. Hipparchus was a powerful influence on Claudius Ptolemy who centuries later his works had considerable impact on the development of Western culture. Hipparchus was also one of the most influential astronomers of antiquity, yet very little information available about him still survives.

Hipparchus did his studying in