It mentions the lunar model in which the Muslim astronomer used epicycles to correct Ptolemy's exaggerated lunar distance variations.

About 200 years later, the Egyptian polymath and author of the famous astronomy book Almagest, Claudius Ptolemy, refined the order of stars within these six levels.

Researchers Just Hauled 22 Massive Blocks of Iconic Lighthouse of Alexandria From The Mediterranean Seabed One of the seven ...

Simplified reconstruction of Ptolemy's nine-ringed astronomical instrument called "Meteoroscope," as described in the hidden manuscript. It was a tool to calculate heights and distances, often in ...

A map created by Greek astronomer and cartographer Claudius Ptolemy, from around 140 A.D., is considered to be the oldest surviving representation of Ireland. Included among his treatise ...

Researchers have deciphered a long-lost text written by the ancient astronomer Claudius Ptolemy.

Finding Ptolemy Ptolemy, who was born in 100 CE, was a renowned astronomer and mathematician who authored several important works, including Almagest and Geography.

Sufi was a 10th century Persian astronomer who ran an observatory in Shiraz, Iran, where he studied the stars and the earlier works of Claudius Ptolemy, the first century Alexandrian Greek astronomer.

Until now, says Evans, the only star catalogue that had survived from antiquity was one compiled by astronomer Claudius Ptolemy in Alexandria, Egypt, in the second century AD.

It mentions the lunar model in which the Muslim astronomer uses epicycles to correct Ptolemy’s exaggerated lunar distance variations.

It mentions the lunar model in which the Muslim astronomer used epicycles to correct Ptolemy's exaggerated lunar distance variations. "This is nearly identical to Copernicus's lunar model in De ...

Writes the study’s author, “Both astronomers (Copernicus and Ibn al-Shatir) replaced Ptolemy’s equant with additional circular motions, achieving uniform motion without an artificial ...