@prefix rdf: . @prefix xsd: . @prefix dcterms: . @prefix skos: . @prefix rdfs: . @prefix api: . @prefix foaf: . skos:narrower . a rdfs:Resource , skos:Concept ; dcterms:contributor ; dcterms:modified "2020-11-03T18:59:11.170Z"^^xsd:dateTime ; skos:broader ; skos:definition "An imaginary great circle on the sky half-way between the celestial poles. It is the projection of the equator of the Earth on the sky."@en ; skos:prefLabel "Celestial equator"@en . a api:ItemEndpoint , api:Page ; api:definition ; api:extendedMetadataVersion ; foaf:primaryTopic .