Hero of alexandria biography

What is Ptolemy best known for?Ptolemy’s mathematical model of the universe had a profound influence on medieval astronomy in the Islamic world and Europe. The Ptolemaic system w. . How did Ptolemy impact the world?In addition to his astronomical work, Ptolemy recorded longitudes and latitudes in degrees for roughly 8,000 locations on his world map, giving a d. . What were Ptolemy’s achievements?Ptolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. He compiled a star catalog and the earliest surviving. [pdf]
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