Motion of the Eighth Sphere – Latin
- Title (English):
- On the Motion of the Eighth Sphere (or: On the Forward and Backward Motion of the Stars)
- Title (Latin):
- De motu octaue spere (or: De accessione et recessione)
- Author:
- Thābit ibn Qurra (Thebit).
- Translation:
- Gerard of Cremona.
- Transcribed from:
- Thābit ibn Qurra (Thebit), De motu octaue spere: Version M, in: Id., The Astronomical Works of Thabit b. Qurra, ed. Francis J. Carmody (Berkeley/Los Angeles, 1960), pp. 102–108.
- Transcribed by:
- Anna Plate.
- Download:
- TEI-XML