He wrote a book on Greek comedy, developed a chronology based on the Trojan War, and suggested that a day be added to the Egyptian calendar every four years.
He wrote a book on Greek comedy, developed a chronology based on the Trojan War, and suggested that a day be added to the Egyptian calendar every four years. His scientific achievements include a map of 675 stars and a measurement of the obliquity of the ecliptic, but he is best known for an experiment he made around 240 B.C. FTP, name this Greek polymath, who used his knowledge of the distance between Syene and Alexandria and the position of the sun on the summer solstice to determine the circumference of the earth.
He wrote a book on Greek comedy, developed a chronology based on the Trojan War, and suggested that a day be added to the Egyptian calendar every four years.
Eratosthenes