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

<http://astrothesaurus.org/uat/363>
  skos:prefLabel "Debris disks"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1259> .

<http://astrothesaurus.org/uat/1300>
  skos:prefLabel "Protoplanetary disks"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1259> .

<http://astrothesaurus.org/uat/1259>
  skos:broader <http://astrothesaurus.org/uat/363>, <http://astrothesaurus.org/uat/1300> ;
  skos:prefLabel "Planetesimals"@en ;
  a skos:Concept .