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

<http://astrothesaurus.org/uat/172>
  skos:prefLabel "Bolides"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/538> .

<http://astrothesaurus.org/uat/538>
  skos:broader <http://astrothesaurus.org/uat/1041> ;
  skos:prefLabel "Fireballs"@en ;
  skos:narrower <http://astrothesaurus.org/uat/172> ;
  a skos:Concept .

<http://astrothesaurus.org/uat/1041>
  skos:prefLabel "Meteors"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/538> .