@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://astrothesaurus.org/uat/1300>
  skos:prefLabel "Protoplanetary disks"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1302> .

<http://astrothesaurus.org/uat/1634>
  skos:prefLabel "Stellar types"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1302> .

<http://astrothesaurus.org/uat/278>
  skos:prefLabel "Cometary nebulae"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1302> .

<http://astrothesaurus.org/uat/1834>
  skos:prefLabel "Young stellar objects"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1302> .

<http://astrothesaurus.org/uat/263>
  skos:prefLabel "Cocoon stars"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1302> .

<http://astrothesaurus.org/uat/847>
  skos:prefLabel "Interstellar medium"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1302> .

<http://astrothesaurus.org/uat/171>
  skos:prefLabel "Bok globules"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1302> .

<http://astrothesaurus.org/uat/1302>
  dc:modified "2020-11-03T20:40:56.141Z"^^xsd:dateTime, "2020-11-03T20:40:42.9Z"^^xsd:dateTime ;
  skos:narrower <http://astrothesaurus.org/uat/1300>, <http://astrothesaurus.org/uat/171>, <http://astrothesaurus.org/uat/278>, <http://astrothesaurus.org/uat/263>, <http://astrothesaurus.org/uat/1834> ;
  skos:definition "A stage in the process of star formation, after the gravitational collapse of the dense pre-stellar core and before the initiation of nuclear fusion in the central object which will eventually become a star. Protostars are classified into four groups: Class 0, Class I, Class II, and Class III."@en ;
  a skos:Concept ;
  skos:prefLabel "Protostars"@en ;
  skos:broader <http://astrothesaurus.org/uat/1634>, <http://astrothesaurus.org/uat/847> ;
  dc:contributor <http://editor.vocabs.ands.org.au/user/AAS_Frey.Katie_Admin> ;
  skos:editorialNote [ ] .