Cleomedes (Greek: Κλεομήδης) was a Greek astronomer who is known chiefly for his book On the Circular Motions of the Celestial Bodies (Κυκλικὴ θεωρία...

Cleomedes to popularise the discovery. Cleomedes invites his reader to consider two Egyptian cities, Alexandria and Syene (modern Assuan): Cleomedes assumes...

Cleomedes is a prominent lunar impact crater located in the northeast part of the visible Moon, to the north of Mare Crisium. It was named after Greek...

through it (the Earth) extending through the middle of the sky" Cleomedes (2004). Cleomedes' Lectures on Astronomy: A Translation of The Heavens. Translated...

armillary sphere. In On the Circular Motions of the Celestial Bodies, Cleomedes credited him with having calculated the Earth's circumference around 240...

BCE) 7′ 490 0.021 -97.9% Posidonius (1st century BCE) (quoted by coeval Cleomedes) 21″ 10,000 0.426 -57.4% Ptolemy (2nd century) 2′ 50″ 1,210 0.052 -94...

Apollonius Archimedes Autolycus Bion Bryson Callippus Carpus Chrysippus Cleomedes Conon Ctesibius Democritus Dicaearchus Diocles Diophantus Dinostratus...

Hypseus and mother Cyrene Cleide Naxos one of the nurses of the god Dionysus Cleomede Paeonia daughter of the river god Axius; she was the wife of Paeon Clonia...

perceived distance explanation, he was not the first author to offer it. Cleomedes (c. 2nd century) gave this account (in addition to refraction), and he...

Eratosthenes Hipparchus Hypsicles Pytheas Seleucus Timocharis Agrippa Andronicus Cleomedes Geminus Hephaestio Macrobius Martianus Capella Menelaus Porphyry Posidonius...