Celestial Spheres

GPTKB entity

Statements (29)
Predicate Object
gptkbp:instanceOf concept
astronomical model
gptkbp:associatedWith gptkb:Aristotle
gptkb:Ptolemaic_system
gptkb:Claudius_Ptolemy
gptkbp:composedOf concentric spheres
gptkbp:coreBelief transparent
immutable
perfectly circular
gptkbp:criticizedFor gptkb:Galileo_Galilei
gptkb:Johannes_Kepler
gptkb:Copernicus
gptkbp:depictedIn medieval manuscripts
gptkbp:describes structure of the universe
gptkbp:eachSphereCarries a planet or celestial body
https://www.w3.org/2000/01/rdf-schema#label Celestial Spheres
gptkbp:influenced gptkb:Dante's_Divine_Comedy
medieval cosmology
Renaissance astronomy
gptkbp:numberOfSpheres varied (commonly 8 or 9)
gptkbp:originatedIn gptkb:ancient_Greece
gptkbp:outermostSphere fixed stars
gptkbp:relatedTo geocentric model
epicycles
gptkbp:replacedBy heliocentric model
gptkbp:usedIn medieval astronomy
gptkbp:usedUntil 16th century
gptkbp:bfsParent gptkb:Il_Paradiso
gptkbp:bfsLayer 7