Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:astronomy
|
| gptkbp:consists_of |
two circles
|
| gptkbp:developed_by |
13th century
|
| gptkbp:discovered_by |
gptkb:Nasir_al-Din_al-Tusi
|
| https://www.w3.org/2000/01/rdf-schema#label |
Tusi Couple
|
| gptkbp:influenced_by |
gptkb:Ptolemaic_astronomy
|
| gptkbp:is_part_of |
geocentric model
|
| gptkbp:is_related_to |
epicycles and deferents
|
| gptkbp:is_significant_for |
its contribution to planetary motion theories
|
| gptkbp:named_after |
gptkb:Nasir_al-Din_al-Tusi
|
| gptkbp:used_to_explain |
apparent retrograde motion
|
| gptkbp:bfsParent |
gptkb:Nasir_al-Din_al-Tusi
|
| gptkbp:bfsLayer |
4
|