Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Astronomical concept
|
| gptkbp:component |
Geocentric model
|
| gptkbp:criticizedFor |
gptkb:Copernicus
gptkb:Kepler |
| gptkbp:describes |
Apparent retrograde motion
|
| gptkbp:etymology |
Greek 'epi' (upon) + 'kyklos' (circle)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Epicycle
|
| gptkbp:mathematicalFormulationBy |
gptkb:Hipparchus
|
| gptkbp:obsoletes |
Modern astronomy
|
| gptkbp:originatedIn |
Ancient Greece
|
| gptkbp:proposedBy |
gptkb:Claudius_Ptolemy
|
| gptkbp:relatedTo |
Deferent
|
| gptkbp:replacedBy |
Heliocentric model
|
| gptkbp:usedFor |
Explaining planetary motion
|
| gptkbp:usedIn |
gptkb:Ptolemaic_system
|
| gptkbp:visualizes |
Small circle whose center moves along a larger circle (deferent)
|
| gptkbp:bfsParent |
gptkb:Gyða_Valtýsdóttir
|
| gptkbp:bfsLayer |
7
|