Search results
Eratosthenes of Cyrene (/ ɛr ə ˈ t ɒ s θ ə n iː z /; Greek: Ἐρατοσθένης [eratostʰénɛːs]; c. 276 BC – c. 195/194 BC) was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist.
Eratosthenes, Greek scientific writer, astronomer, and poet, who made the first measurement of the size of Earth for which any details are known. He was also the director of the Library of Alexandria. His only surviving work is Catasterisms, a book about constellations.
Mar 3, 2022 · Eratosthenes (l. c. 276-195 BCE) was a Greek astronomer, geographer, mathematician, and poet best known for being the first to calculate the circumference of the earth and its axial tilt. He is also...
More than 2,000 years ago Eratosthenes compared the position of the Sun’s rays in two locations to calculate the spherical size of the Earth with reasonable accuracy. Eratosthenes was born in the Greek colony Cyrene, now the city of Shahhat, Libya.
Jul 3, 2019 · 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.
Eratosthenes was a Greek mathematician who is famous for his work on prime numbers and for measuring the diameter of the earth. Skip to content MacTutor
Eratosthenes was an Ancient Greek scientist born in the town of Cyrene in about 276 BC. Cyrene, then a Greek city, is now the town of Shahhat in Libya. Eratosthenes was educated in philosophy and mathematics in Athens.
Eratosthenes was an illustrious ancient Greek polymath who had expertise in mathematics, astronomy and geography. He had inclination toward arts as well as music and poetry composition.
Jan 14, 2020 · Eratosthenes was the third librarian at the famous Library of Alexandria. He studied under the Stoic philosopher Zeno, Ariston, Lysanias, and the poet-philosopher Callimachus. Eratosthenes wrote a Geographica based on his calculations of the circumference of the earth.
Sep 4, 2021 · How did Greek librarian Eratosthenes accurately measure the circumference of Earth using a stick, a shadow, and a walk?
