Everything outside this golden region is studded with stars to signify an epoyranios topos or heaven of heavens. S. Thomas and the Greeks are inside the golden sphere of science, and below on earth are the heresiarchs and faithful. Rosini gives a faithful outline of this picture in his Atlas of Illustrations.
"For my mouth shall speak truth; and wickedness is an abomination to my lips."—Prov. viii. 7.
Gozzoli's picture is now in the Louvre. I think Guillaume de Saint Amour takes the place of Averroes.