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 ...

According to James Hardiman’s “History of Galway,” Ptolemy handed down names of several rivers, cities, and tribes then situated on the west coast of Ireland. However, it is often noted that ...

Throughout human history, astronomers have helped ... In ancient Greece, astronomer and mathematician Claudius Ptolemy (A.D. 90–168) set up a model of the solar system in which the sun, stars ...

Ptolemy's Meteoroscope was a tool to calculate ... A summary of the findings so far was published in the Archive of History of Exact Sciences on March 9, 2023.

The ancient Greek astronomer and geographer Ptolemy of Alexandria drew a map of the world in the 2nd century, which shows the stone fort as one of only five Irish sites to be noted. The Grianan ...

Researchers have deciphered an ancient manuscript that they think Claudius Ptolemy, an Egyptian mathematician ... March 9 in the journal Archive for History of Exact Sciences.

Peters, of Clinton, New York, and Mr. Knobel began independently, and without either of them knowing of the other's work, to investigate the Catalogue of Stars in Ptolemy's Almagest. They soon ...