Admin What was Eratosthenes contribution?
Eratosthenes made major contributions to geography. He sketched, quite accurately, the route of the Nile to Khartoum, showing the two Ethiopian tributaries. He also suggested that lakes were the source of the river.
What was the major contribution of Ptolemy?
Ptolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror.
Why is Eratosthenes called the father of geography?
Eratosthenes was called “The Father Of Geography,” since he was very knowledgeable about the earth. He invented a system of latitude and longitude and he also might have calculated the distance from earth to the sun and invented the leap day. Eratosthenes contributions to Mathematics are very notable and well known.
How did the Egyptians contribute to oceanography?
*Egyptians utilized the Nile River and created a commerce based on ship-based trade (4000 BC). They believed only rivers had currents, and named this mass of water okeanos (meaning river), from which we derived our term ocean.
What best describes the contribution of Eratosthenes?
One famous contribution that bears his name, the “Sieve of Eratosthenes,” is a system for finding prime numbers. However, Eratosthenes’ most famous accomplishment is his calculation of the circumference of the Earth to a remarkable degree of accuracy for his time. In determining the circumference of the Earth,…
What are facts about Eratosthenes?
Fast Facts: Eratosthenes Known For: Eratosthenes was a Greek polymath who became known as the father of geography. Born: c. 276 BCE in Cyrene (present-day Libya) Died: 192 or 196 BCE in Alexandria, Egypt
What did Eratosthenes do?
Eratosthenes was a prominent Greek mathematician, astronomer and geographer who lived between 276 BC and 194 BC. He was born in what is now Libya, to parents who were probably Chaldean. Eratosthenes is famous for many things, including a mapping method that used latitudes and longitudes, and his accurate computation of the circumference of earth.
What contributions did Eratosthenes have on geography?
Eratosthenes’ most famous contribution to science was his calculation of the circumference of the Earth , which he completed while he was working on the second volume of his “Geography.”.
https://www.youtube.com/watch?v=EJAhU0_bVzg