Almagest
From Conservapedia
The Almagest was an ancient astronomical and mathematical textbook by the great Hellenistic astronomer Ptolemy. It was written in the 2nd century A.D. and influenced astronomy until the 17th century.
The Almagest was an ancient astronomical and mathematical textbook by the great Hellenistic astronomer Ptolemy. It was written in the 2nd century A.D. and influenced astronomy until the 17th century.