Statements (18)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:ancient_scientific_treatise | 
| gptkbp:author | gptkb:Claudius_Ptolemy | 
| gptkbp:dateWritten | 2nd century | 
| gptkbp:field | gptkb:astronomy gptkb:mathematics | 
| gptkbp:focusesOn | mapping the celestial sphere onto a plane | 
| gptkbp:influenced | European astronomy medieval Islamic astronomy | 
| gptkbp:language | gptkb:Greek | 
| gptkbp:preservedIn | medieval manuscripts | 
| gptkbp:relatedTo | gptkb:Almagest | 
| gptkbp:significance | describes the mathematical basis for the planisphere | 
| gptkbp:subject | gptkb:stereographic_projection | 
| gptkbp:translatedInto | gptkb:Arabic gptkb:Latin | 
| gptkbp:bfsParent | gptkb:Claudius_Ptolemaeus | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Ptolemy's Planisphaerium |