Primum Mobile
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- | The '''unmoved mover''' ('''{{polytonic|ού κινούμενον κινεῖ}}''') is a philosophical concept described by [[Aristotle]] as the first cause that sets the [[universe]] into motion. As is implicit in the name, the "unmoved mover" is not moved by any prior action. In his book ''[[Metaphysics (Aristotle)|Metaphysics]]'', Aristotle describes the unmoved mover as being perfectly beautiful, indivisible, and contemplating only the perfect contemplation: itself contemplating. | ||
- | ==See also== | + | 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 [[star]]s, the Primum Mobile, and the [[Empyrean]]. |
- | * [[Primum Mobile]] | + | |
- | * [[Primum movens]] | + | |
- | * [[The All]] | + | |
- | * [[Causeless cause]] | + | |
- | * [[Chaos]] | + | |
- | * [[Cosmological argument]] | + | |
- | * [[Dynamics of the celestial spheres]] | + | |
- | * [[Godhead]] | + | |
- | * [[Logos]] | + | |
- | * [[The One]]; [[Monad]] | + | |
+ | The total number of [[celestial spheres]] was not fixed. In this 16th-century illustration, the [[firmament]] (sphere of fixed stars) is eighth, a "crystalline" sphere (posited to account for the reference to "waters . . . above the firmament" in [[Book of Genesis|Genesis]] 1:7) is ninth, and the Primum Mobile is tenth. Outside all is the Empyrean, the "habitation of God and all the elect." | ||
+ | |||
+ | ==See also== | ||
+ | *[[Primum movens]] | ||
+ | *[[Unmoved mover]] | ||
+ | *[[Celestial spheres]] | ||
+ | *[[Firmament]] | ||
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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.
The total number of celestial spheres was not fixed. In this 16th-century illustration, the firmament (sphere of fixed stars) is eighth, a "crystalline" sphere (posited to account for the reference to "waters . . . above the firmament" in Genesis 1:7) is ninth, and the Primum Mobile is tenth. Outside all is the Empyrean, the "habitation of God and all the elect."
See also