Ptolemy of Alexandria, the Influential Astronomer Essays -- Biography

Ptolemy of Alexandria, the Influential Astronomer Ptolemy of Alexandria was the most influential astronomer of the ancient world. The books and theories Ptolemy developed served as a major basis for future astronomers. It was during the Renaissance period that his work became thoroughly studied and revised. Ptolemy collected all ancient knowledge of astronomy and geography including it in his book Almagest around 140 A.D. It follows, he then wrote a four volume astrological study known as the Tretrabiblos. Ptolemy claimed that the scribes of Babylon had been instructed since 750 B.C to keep detailed astronomical diaries. These diaries were written for seven hundred years on clay tablets. The tablets depicted night-sky events along with river level changes and weather phenomena. Modern archaeologists have confirmed the claim by unearthing Babylonian tablets recording observations of Mars and Venus from that time period. Ptolemy used a method of consulting lists of lunar phases, and planetary movements complied over many centuries to look for...