e/Primum Mobile

Information
has gloss	eng: In medieval and Renaissance astronomy, the Primum Mobile, or "first moved," is the outermost moving sphere in the geocentric model of the universe. Astronomers believed that the seven naked-eye planets (including the Moon and the Sun) were carried around the spherical Earth on invisible orbs. Beyond them was the sphere of fixed stars, the Primum Mobile, and the Empyrean.
lexicalization	eng: Primum Mobile
instance of	c/Early scientific cosmologies

Media
media:img	Ptolemaicsystem-small.png