Ptolemy or optical factors and those caused by judgmental factors. He offered an obscure explanation of the sun or moon illusion (the enlarged apparent size on the horizon) based on the difficulty of looking upwards. There are several characters or items named after Ptolemy, including: [[File:Ptolemaeus - Quadripartitum, 1622 - 4658973.tif|thumb|"Quadripartitum", 1622]] [[Category:Ptolemy| ]] [[Category:100 births]] [[Category:170 deaths]] [[Category:1st-century Romans]] [[Category:2nd-century Romans]] [[Category:2nd-century philosophers]] [[Category:2nd-century poets]] [[Category:Egyptian calendar]] [[Category:Ancient Greek astrologers]] [[Category:Ancient Greek astronomers]] [[Category:Ancient Greek mathematicians]] [[Category:Ancient Greek music theorists]] [[Category:Astrological writers]] [[Category:Claudii]] [[Category:Egyptian astronomers]] [[Category:Egyptian mathematicians]] [[Category:Epigrammatists of the Greek Anthology]] [[Category:2nd-century people of Roman Egypt]] [[Category:Ancient Greek geographers]]
Ptolemy Eupator He also appears in a list of deified Ptolemies. When he was first discovered, there was a theory that he was an elder brother of his father, and reigned before him. As a result, some 19th-century texts count Ptolemy Philometor as "Ptolemy VII" (instead of "Ptolemy VI"), and increment the numbers of all later Ptolemies by one until "Ptolemy XVI Caesarion" (instead of "Ptolemy XV"). The epithets, which have come down from antiquity, are unchanged. The discovery of his tomb on Cyprus was announced in 2017. Ptolemy Eupator Ptolemy Eupator was the son of Ptolemy VI Philometor and Cleopatra II,