Related: Star maps through the ages ... This find has debunked the idea that ancient astronomer Claudius Ptolemy copied Hipparchus in his own star catalogue. "Many people think that Hipparchus ...

Another well-known astronomer named Claudius Ptolemy who compiled his own star chart was thus attributed the authorship for the first physically existing map that he wrote in Alexandria ...

The map was discovered by scholars studying ... it shows that Claudius Ptolemy composed his own, later star catalogue by combining several sources of observation. "More generally, this is a ...

And whereas Ptolemy based his coordinate system on the ecliptic, Hipparchus used the celestial equator, a system more common in modern star maps. The discovery “enriches our picture” of Hippar ...

Parts of his star map appear to have shown up in the Codex ... This would make Hipparchus' Catalogue more accurate than Ptolemy's much later Almagest astronomy handbook, though the researchers ...

Around the second century C.E., the Greek astronomer Claudius Ptolemy listed 48 “official ... stars were included in a constellation. All star maps used wavy lines to encompass not only ...

A copy of astronomer Hipparchus’ map of the stars was discovered underneath ... Scholars have long known about Hipparchus’ star catalog because other ancient texts made references about ...

who created a star map noting the brightness of various stars more than two millennia ago. A few centuries later, another Greek astronomer, Ptolemy, attempted to classify stars using a six-tier ...

A famous Greek astronomer and cartographer, Ptolemy's map of Ireland is incredibly accurate even though it was penned way back in 140AD. A map created by Greek astronomer and cartographer ...