Even with the particles retarding the motion of the aether, the same will be true if, to counterbalance the increased inertia, suitable forces are caused to act on the aether at all points where the inertia is altered.
It banished the spirits and genii, to which even Kepler had assigned the guardianship of the planetary movements; and, if it supposes the globular particles of the envelope to be the active force in carrying the earth round the sun, we may remember that Newton himself assumed an aether for somewhat similar purposes.
Liber magnus, vulgo "Liber Adami" appellatus, opus Mandaeorum summi ponderis (2 vols., Berlin and Leipzig, 1867), is an excellent metallographic reproduction of the Paris MS. A German soul, permeates the whole aether, the domain of Ayar.
Athena has been variously described as the pure aether, the storm-cloud, the dawn, the twilight; but there is little evidence that she was regarded as representing any of the physical powers of nature, and it is better to endeavour to form an idea of her character and attributes from a consideration of her cultepithets and ritual.
In his cosmogonic treatise on nature and the gods, called Hevr4tvxo (Preller's correction of Suidas, who has E7rTaµuXos) from the five elementary or original principles (aether, fire, air, water, earth; Gomperz substitutes smoke and darkness for aether and earth), he enunciated a system in which science, allegory and mythology were blended.