Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Astronomical concept
|
| gptkbp:category |
History of astronomy
Obsolete scientific theories |
| gptkbp:criticizedFor |
gptkb:Johannes_Kepler
gptkb:Nicolaus_Copernicus |
| gptkbp:describedBy |
gptkb:Almagest
|
| gptkbp:form |
Circular motion
|
| gptkbp:historicalPeriod |
Ancient Greece
|
| https://www.w3.org/2000/01/rdf-schema#label |
Epicycles
|
| gptkbp:proposedBy |
gptkb:Claudius_Ptolemy
|
| gptkbp:purpose |
Explain retrograde motion
|
| gptkbp:relatedTo |
Eccentric
Deferent |
| gptkbp:replacedBy |
Heliocentric model
|
| gptkbp:usedIn |
gptkb:Ptolemaic_system
Geocentric model |
| gptkbp:bfsParent |
gptkb:Yannis_Xenakis
|
| gptkbp:bfsLayer |
7
|