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

<http://astrothesaurus.org/uat/505>
  skos:prefLabel "Extinction"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1377> .

<http://astrothesaurus.org/uat/1377>
  skos:broader <http://astrothesaurus.org/uat/505> ;
  skos:prefLabel "Reddening law"@en ;
  a skos:Concept .