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

<http://astrothesaurus.org/uat/827>
  skos:prefLabel "Interplanetary physics"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/826> .

<http://astrothesaurus.org/uat/826>
  skos:broader <http://astrothesaurus.org/uat/827> ;
  skos:prefLabel "Interplanetary particle acceleration"@en ;
  a skos:Concept .