In Great Astronomers, Robert Stawell Ball documents the developments in astronomy from the ancient period to the nineteenth century. He begins with a chapter on the life and works of Ptolemy. Which se

In Great Astronomers, Robert Stawell Ball documents the developments in astronomy from the ancient period to the nineteenth century. He begins with a chapter on the life and works of Ptolemy. Which sentence in this excerpt from Great Astronomers shows that Ptolemy’s theory was flawed, but that he was still the undisputed authority on astronomy for centuries?

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