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

<http://astrothesaurus.org/uat/1689>
  skos:prefLabel "Telescopes"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/681> .

<http://astrothesaurus.org/uat/681>
  skos:altLabel "Grazing-incidence telescopes"@en ;
  skos:broader <http://astrothesaurus.org/uat/1689> ;
  skos:prefLabel "Grazing incidence telescopes"@en ;
  a skos:Concept .