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Why did Eratosthenes starve himself?
As Eratosthenes aged he contracted ophthalmia, becoming blind around 195 BC. Losing the ability to read and to observe nature plagued and depressed him, leading him to voluntarily starve himself to death.
When was Eratosthenes died?
195 BC
Eratosthenes/Date of death
What was Eratosthenes nickname?
Pentathlos
Eratosthenes/Nicknames
A man of many talents, Eratosthenes was a librarian, geographer, mathematician, astronomer, historian, and poet. His friends at the library nicknamed him Pentathlos, or athlete who competes in five different events. The name seemed to fit a scholar who excelled in many fields of study.
Why did Ptolemy believe in geocentric?
Ptolemy believed in the geocentric model because of his observations and findings. To start, Ptolemy didn’t have modern technology to observe space. He used his own observations during the night and mapped out planetary movement, along with the Sun and stars.
When and where was Eratosthenes born?
Childhood & Early Life Eratosthenes was born in the year 276 BC to Aglaos and his wife; but the exact date of his birth is unknown. He was born in the city of Cyrene; which is located in present day Libya but used to be a part of the Greek empire.
What did Eratosthenes of Cyrene do?
Alternative Title: Eratosthenes of Cyrene. Eratosthenes, in full Eratosthenes of Cyrene, (born c. 276 bce, Cyrene, Libya—died c. 194 bce, Alexandria, Egypt), Greek scientific writer, astronomer, and poet, who made the first measurement of the size of Earth for which any details are known.
What did Eratosthenes contribute to Greek literature?
Eratosthenes created a whole section devoted to the examination of Homer, and acquired original works of great tragic dramas of Aeschylus, Sophocles and Euripides. Eratosthenes made several important contributions to mathematics and science, and was a friend of Archimedes. Around 255 BC, he invented the armillary sphere.
What is the difference between Euclid and Eratosthenes?
Eratosthenes lived in Alexandria, Egypt, part of Ancient Greece. He was born in about 276 BC and died in about 194 BC. Archimedes lived in Syracuse, Sicily, part of Ancient Greece. He was born in about 287 BC and died in 212 BC. Euclid lived in Alexandria, Egypt, part of Ancient Greece.