@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/insp0001784>
  skos:prefLabel "Sunlight"@en, "نور خورشید"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004930> .

<http://www.irandoc.acir/onto/irandoc/insp0004930>
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0004931> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004420>, <http://www.irandoc.acir/onto/irandoc/insp0004872>, <http://www.irandoc.acir/onto/irandoc/insp000013>, <http://www.irandoc.acir/onto/irandoc/insp0001784>, <http://www.irandoc.acir/onto/irandoc/insp0003212> ;
  skos:prefLabel "Sky brightness"@en, "نورتابی آسمان"@fa ;
  skos:altLabel "night sky"@en .

<http://www.irandoc.acir/onto/irandoc/insp0003212>
  skos:prefLabel "Airglow"@en, "هواتابی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004930> .

<http://www.irandoc.acir/onto/irandoc/insp0004931>
  skos:prefLabel "Brightness"@en, "نورتابی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0004930> .

<http://www.irandoc.acir/onto/irandoc/insp0004420>
  skos:prefLabel "Aurora"@en, "شفق قطبی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004930> .

<http://www.irandoc.acir/onto/irandoc/insp0004872>
  skos:prefLabel "Atmospheric optics"@en, "نورشناسی جو"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004930> .

<http://www.irandoc.acir/onto/irandoc/insp000013>
  skos:prefLabel "Zodiacal light"@en, "نور منطقه‌البروجی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004930> .