Timeline related to Greek Astronomy

(Αναξίμανδρος ο Μιλήσιος ) a student of Thales and according to Laertius the discoverer of the gnomon proposes that the Earth surface is cylindrical.

“The moon, he said, had a borrowed light, and borrowed it from the sun; and the sun he affirmed to be not less than the earth, and the purest possible fire, D. Laertius.”

( 4th century BC

Hicetas of (Απολλώνιος ο Περγαίος) writes Conics. He introduced probably first the terms 'parabola' and 'hyperbola,' curves formed when a plane intersects a conic section, and 'ellipse,' a closed curve formed when a plane intersects a cone.

Epigenes (Επιγένης ο Βυζάντιος) Astronomer (?-200 BC)

About 150 BC
observed in 92 AD an eclipse of Pleiades by the Moon.

About 100[?]
Plutarch (Πλούταρχος) (46-120 AD), in On the Face That Can Be Seen in the Lunar Disk, compared the Moon to the Earth, upheld the idea of the plurality of worlds, and tried to overturn Aristotle's theory of 'natural places' (Duhem 1985:479). Although he was surprised by the Moon's apparent lack of clouds that could be a result of the lack of water he considered that the dark areas probably to be seas. This was the reason of naming such a dark areas as a mare (sea).

St. Dionysius the Aeropagite, Astronomer (9-120 AD)

Cleomedes (Κλεομήδης) On the Circular Motions of the Celestial Bodies. .

About 110

, Preliminary version

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