Statements (5)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Year
|
| gptkbp:has_significant_figure |
gptkb:Ptolemy
|
| https://www.w3.org/2000/01/rdf-schema#label |
the 2nd century
|
| gptkbp:bfsParent |
gptkb:Nova
|
| gptkbp:bfsLayer |
4
|