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

<http://astrothesaurus.org/uat/1251>
  skos:broader <http://astrothesaurus.org/uat/1256> ;
  skos:prefLabel "Planetary polar regions"@en ;
  a skos:Concept .

<http://astrothesaurus.org/uat/1256>
  skos:prefLabel "Planetary structure"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1251> .