Dunyanin yaricapini ve buyuklugunu bulan astronom kimdir?

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Dünyanın yarıçapını ve büyüklüğünü bulan astronom kimdir?​

Eratosthenes (Eratosten; Grekçe: Ἐρατοσθένης, MÖ 276 – MÖ 194), Yunan matematikçi, coğrafyacı, astronom ve filozoftur.

Ilk çağda Eratosthenes ve Batlamyus gibi coğrafyacılar coğrafi bilgilerin aktarımında hangi yöntemleri kullanmıştır?​

Cevap: İlk Çağda Eratosthenes ve Batlamyus gibi coğrafyacılar, coğrafi verilerin aktarılmasında tasvir yöntemini kullanmışlardır. Özellikle Batlamyus, gözlem yaptığı merkezleri harita üzerinde göstermiştir.
Where did Ptolemy die?
In AD 168, Ptolemy died in Alexandria. There were some scientific treatises that Ptolemy created. His works were important and affected the European, byzantine and Islamic science. The Almagest was the first astronomical treatise of Ptolemy.
Did Ptolemy have a Roman citizenship?
Ptolemy owned a Roman citizenship even though he settled in the city of Alexandria, Egypt. It was included as one of the Roman provinces. The few details of the life of Ptolemy are known by the people. Theodore Meliteniotes was an astronomer in 14th century who stated that the birthplace of Ptolemy was in Ptolemais Hermiou in the Thebaid.

What is another name for Ptolemy of Alexandria?​

See Article History. Alternative Titles: Claudius Ptolemaeus, Ptolemy of Alexandria. Ptolemy, Latin in full Claudius Ptolemaeus, (born c. 100 ce—died c. 170 ce), an Egyptian astronomer, mathematician, and geographer of Greek descent who flourished in Alexandria during the 2nd century ce.

What is the contribution of Ptolemy to science?​

In several fields his writings represent the culminating achievement of Greco-Roman science, particularly his geocentric (Earth-centred) model of the universe now known as the Ptolemaic system. Virtually nothing is known about Ptolemy’s life except what can be inferred from his writings.