Kept Alive in Arabic

Ptolemy's Planetary Hypotheses

اقتصاص أحوال الكواكب لبطلميوس

Here Ptolemy described the whole cosmos as nested spheres and estimated the distances and sizes of the planets. Only part of Book I survives in Greek; the whole book survives in Arabic. Ibn al-Nadim lists it as The Account of the States of the Planets, also known as al-Manshurat.

Author

Claudius Ptolemy (2nd century; listed by Ibn al-Nadim)

Field

Astronomy

What Arabic kept

All of Book II, and what was lost of Book I

Greek title

Ὑποθέσεις τῶν πλανωμένων

Arabic title

كتاب اقتصاص أحوال الكواكب

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