@prefix mdl: <http://data.loterre.fr/ark:/67375/MDL> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

mdl:-Q077VJ48-Z
  skos:prefLabel "nébuleuse planétaire"@fr, "planetary nebula"@en ;
  a skos:Concept ;
  skos:broader mdl:-B516CG99-P .

mdl:-B516CG99-P
  skos:prefLabel "nébuleuse émissive"@fr, "emission nebula"@en ;
  skos:exactMatch <https://fr.wikipedia.org/wiki/N%C3%A9buleuse_en_%C3%A9mission>, <https://en.wikipedia.org/wiki/Emission_nebula> ;
  skos:broader mdl:-R3KPXTZ5-7 ;
  skos:narrower mdl:-K9D8WDVQ-8, mdl:-Q077VJ48-Z, mdl:-S13QZ7LP-4 ;
  skos:altLabel "emission nebulae"@en, "nébuleuse en émission"@fr ;
  skos:hiddenLabel "emission nebulaes"@en, "Nébuleuse émissive"@fr, "nébuleuses en émissions"@fr, "emission nebulas"@en, "nébuleuses émissives"@fr, "Emission nebula"@en, "Nébuleuse émissives"@fr ;
  skos:definition "An emission nebula is a nebula formed of ionized gases that emit light of various wavelengths. The most common source of ionization is high-energy ultraviolet photons emitted from a nearby hot star. Among the several different types of emission nebulae are H II regions, in which star formation is taking place and young, massive stars are the source of the ionizing photons; and planetary nebulae, in which a dying star has thrown off its outer layers, with the exposed hot core then ionizing them. (Wikipedia, The Free Encyclopedia, <a href=\"https://en.wikipedia.org/wiki/Emission_nebula\" target=\"_blank\">https://en.wikipedia.org/wiki/Emission_nebula</a>)"@en, "En astronomie, les nébuleuses en émission sont des nuages de gaz ionisé dans le milieu interstellaire qui absorbent la lumière d'une étoile chaude proche et la réémettent sous forme de couleurs variées à des énergies plus basses. (Wikipedia, L'Encylopédie Libre, <a href=\"https://fr.wikipedia.org/wiki/N%C3%A9buleuse_en_%C3%A9mission\" target=\"_blank\">https://fr.wikipedia.org/wiki/N%C3%A9buleuse_en_%C3%A9mission</a>)"@fr ;
  skos:inScheme mdl: ;
  a skos:Concept .

mdl:-S13QZ7LP-4
  skos:prefLabel "objet Herbig-Haro"@fr, "Herbig-Haro object"@en ;
  a skos:Concept ;
  skos:broader mdl:-B516CG99-P .

mdl:-R3KPXTZ5-7
  skos:prefLabel "nebula"@en, "nébuleuse"@fr ;
  a skos:Concept ;
  skos:narrower mdl:-B516CG99-P .

mdl:-BGTXRNV5-Q skos:broader mdl:-B516CG99-P .
mdl:-K9D8WDVQ-8
  skos:prefLabel "région H II"@fr, "H II region"@en ;
  a skos:Concept ;
  skos:broader mdl:-B516CG99-P .

mdl:-FW1K7MLP-C skos:broader mdl:-B516CG99-P .
mdl: a skos:ConceptScheme .