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

<http://astrothesaurus.org/uat/373>
  skos:altLabel "Density wave theory"@en ;
  skos:broader <http://astrothesaurus.org/uat/595> ;
  skos:prefLabel "Density wave model"@en ;
  a skos:Concept .

<http://astrothesaurus.org/uat/595>
  skos:prefLabel "Galaxy formation"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/373> .