conclusions have been strongly contested (e.g. by Dennis Duke) most particularly on the ground that regardless of the globe's date the constellations on it show large disagreements with the only existing work by Hipparchus. See also Globe Celestial cartography Celestial sphere Celestial spheres Early world maps References External links Bradley E. Schaefer, "The epoch of the constellations on the Farnese Atlas and their origins in Hipparchus's lost catalogue" New York Times article on Dr. Schaefer's presentation Space.com article on the Hipparchus' star catalogue found. National Archaeological Museum, Naples, Italy Critiques of Schaefer's hypothesis Critical review of Schaefer's arithmetic, quotations, statistics, photogrammetry, grasp of Hipparchus's data, and responsiveness Related critical review, containing detailed photographic images 2nd-century Roman sculptures Farnese Collection Collections of the National Archaeological Museum, Naples Roman copies of Greek sculptures Archaeological discoveries in Italy Ancient astronomy Maps in art Sculptures of Greek gods Atlas (mythology)