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

<http://astrothesaurus.org/uat/274>
  skos:prefLabel "Comet tails"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/273> .

<http://astrothesaurus.org/uat/273>
  skos:broader <http://astrothesaurus.org/uat/274> ;
  skos:prefLabel "Comet tail streamers"@en ;
  a skos:Concept .