“Certainly,” Gingerich says, “Ptolemy did not commit fraud. And his great contribution of the geocentric theory,” he adds, “was the true testament to Ptolemy’s greatness as an astronomer.

AT the meeting on Monday of the Royal Geographical Society, Dr. H. Schlichter read a paper on “Ptolemy's Geography of Eastern Equatorial Africa.” Ptolemy, as a geographer, has received very ...

The first great attempt to make mapping realistic came in the second century A.D. with Claudius Ptolemy. He was an astronomer and astrologer obsessed with making accurate horoscopes, which ...

Why would the universe be arranged in any other way ... However, our Moon didn’t quite fit his model. Ptolemy suggested that its orbital path must be tilted with respect to the other heavenly ...