Velificatio Velificatio Velificatio is a stylistic device used in ancient Roman art to frame a deity by means of a billowing garment. It represents "vigorous movement," an epiphany, or "the vault of heaven," often appearing with celestial, weather, or sea deities. It is characteristic of the iconography of the Aurae, the Breezes personified, and one of the elements which distinguish representations of Luna, the Roman goddess of the Moon, alluding to her astral course. A figure so framed is a velificans (plural velificantes). Not all deities are portrayed as "velificantes", but the device might be used to mark a member of
Dynamics of the celestial spheres following the Ash'ari doctrine of atomism, which maintained that all physical effects were caused directly by God's will rather than by natural causes. He maintained that the celestial spheres were "imaginary things" and "more tenuous than a spider's web". His views were challenged by al-Jurjani (1339–1413), who argued that even if the celestial spheres "do not have an external reality, yet they are things that are correctly imagined and correspond to what [exists] in actuality". In the Early Middle Ages, Plato's picture of the heavens was dominant among European philosophers, which led Christian thinkers to question the role and nature