Claudius+Ptolemy-+B

By: Nicole Klein, Julia Salvadore, Jack Jones, and Evan Benbow

He was born in the year of 85 He died in the year of 165 There was not much known about his life because he lived so long ago
 * __Childhood__**


 * __Theory__**

His theory was that the earth was in the center of the universe His theory predicted the motions of the planets better than any theory in his time For 1,500 years his theory was the most popular structure of the universe

// Claudius said that the earth was a stationary sphere at the center of a larger celestial sphere The galaxy revolves around the earth carrying stars, planets, sun, and moon, which makes risings and settings through the course of the year He used great mathematical methods to help him learn more about astronomy // **
 * __Astronomy__

__**Geography**__

He also showed two ways of drawing grids with lines on a flat map, to show latitude and longitude on the globe His grids gave full visual impressions of the earths spherical surface and preserves the amounts of distances His geography work is unknown when he was in Europe until 1300 **
 * Claudius made maps based on writings by, Marinus of Tyre


 * __History__**

He was one of the most influential astronomer and geographer He was a mathematician, geographer and astronomer He used observations made by Theon the mathematician which had helped him Ptolemy pictured out new geometrical proofs The almagest this book was Ptolemy's earliest and most famous treatise

media type="custom" key="4852027"media type="custom" key="4888837"