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The '''Almagest''' was an ancient [[Astronomy|astronomical]] and [[Mathematics|mathematical]] textbook by the great [[Hellenistic]] astronomer [[Ptolemy]]. It was written in the 2nd century and influenced astronomy until the 17th century.

The '''Almagest''' was an ancient [[Astronomy|astronomical]] and [[Mathematics|mathematical]] textbook by the great [[Hellenistic]] astronomer [[Ptolemy]]. It was written in the 2nd century A.D. and influenced astronomy until the 17th century.

[[Category:Books]]

[[Category:Books]]