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

<http://astrothesaurus.org/uat/101>
  skos:prefLabel "Astrophysical fluid dynamics"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/819> .

<http://astrothesaurus.org/uat/819>
  skos:broader <http://astrothesaurus.org/uat/101> ;
  skos:prefLabel "Internal waves"@en ;
  a skos:Concept .