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Ptolemy's Almagest is one of the most influential scientific works in history. A masterpiece of technical exposition, it was the basic textbook of astronomy ...
A basic field guide for beginning observers of the night sky, introducing information on the locations, names, and characteristics of stars, constellations, and other bodies ...
In 1539 a young German mathematician, Georg Joachim Rheticus, travelled to Frombork to meet Copernicus; months later he departed with the manuscript for the book ...
