Almagest
Almagest is the Arabic title given to the astronomical treatise explaining the motions of the heavens, written by Claudius Ptolemaeus of Alexandria, sometime around the 2nd century CE, and accepted for over a thousand years by the vast majority of people to be the correct cosmological model. Ptolemy's Almagest was lost to early medieval Europe, dimly remembered in astrology|astrological]] lore. It was recovered in Toledo by Gerard of Cremona in the 12th century and translated into Latin from Arabic. This was the form in which the Ptolemaic system was known in the European High Middle Ages.
In the 15th century a new translation, this time directly from the Greek, with a commentary as long as the original work, was completed ca 1481 by George of Trebizond, called "a Cretan emigré" in the records of the Papal Curia. In the early Renaissance, the library of the Curia became a center for the study of Greek scientific manuscripts, which were sometimes older and more accurate than their Latin counterparts.
The work of translation, done under the patronage of Pope Pope Nicholas V was intended to supplant the old translation. The new manuscripts were a great improvement; the new commentary was not, and aroused much heated criticism. The Pope declined the dedication of the translation. But a German astronomer, Johannes Regiomontanus ("Johann Königsberg"), a protege of the brilliant Greek churchman Johannes, Cardinal Bessarion, came to Italy with his patron, learned Greek, and produced a full-scale "Epitome" of Ptolemy's work, from which most astronomers learned their art for the next century and more.
Referenced By
'Abd Al-Rahman Al Sufi | Al-Sufi | Al Sufi | Alhazen | Apparent Visual Magnitude | Apparent magnitude | Astronomy/History | Astronomy and Astrophysics/History | Azophi | Book of Fixed Stars | Claudius Ptolemaeus | Claudius Ptolemy | Cosecant | Cotangent | Gerard of Cremona | Hipparchos | Hipparchus | History of Astronomy | History of Science and Technology/Astronomy and Astrophysics | Ibn al-Haytham | Inverse trigonometric function | Johannes Müller | List of astronomical topics | List of astronomical topics (N-Z) | Ptolemaic system | Ptolemaic theory | Ptolemaios | Ptolemeus | Ptolemy | Regiomontan | Regiomontanus | Sine-wave | Sinusoidal | Stellar magnitude | Thabit ibn Qurra | Theon of Alexandria | Timeline of astronomical maps, catalogs, and surveys | Trigonmetic function | TrigonometricFunctions | Trigonometric function | Trigonometric functions | Visual brightness | Visual magnitude
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