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

<http://astrothesaurus.org/uat/831>
  skos:prefLabel "Interstellar absorption"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/843> .

<http://astrothesaurus.org/uat/843>
  skos:broader <http://astrothesaurus.org/uat/831> ;
  skos:prefLabel "Interstellar line absorption"@en ;
  a skos:Concept .