Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematician
astronomer |
| gptkbp:activePeriod |
10th century
|
| gptkbp:birthPlace |
gptkb:Khujand
|
| gptkbp:built |
mural sextant at Ray Observatory
|
| gptkbp:contributedTo |
gptkb:astronomy
trigonometry |
| gptkbp:deathPlace |
gptkb:Ray,_Iran
|
| gptkbp:estimated |
Earth's axial tilt
|
| gptkbp:flourishedDuring |
circa 10th century CE
|
| https://www.w3.org/2000/01/rdf-schema#label |
Abu al-Qasim al-Khujandi
|
| gptkbp:knownFor |
astronomical observations at Ray, Iran
construction of a large mural sextant work on the sine theorem |
| gptkbp:language |
gptkb:Persian
|
| gptkbp:nationality |
gptkb:Persian
|
| gptkbp:region |
gptkb:Greater_Iran
|
| gptkbp:bfsParent |
gptkb:Tazkirat_al-Awliya
|
| gptkbp:bfsLayer |
6
|