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 XII Auletes XII attempted to secure his own fate and the fate of his dynasty by means of a pro-Roman policy. In 63 BC, it appeared that Pompey would emerge as the leader of a power struggle in Rome, so Ptolemy sought to form a patron-client relationship with Pompey by sending him riches and extending an invitation to Alexandria. Pompey accepted the riches but refused the invitation. Nevertheless, a patron relationship with a leader in Rome did not guarantee his permanence on the throne, so Ptolemy XII soon afterwards travelled to Rome to negotiate a bribe for an official recognition of his