star dusts
type: Concept
preferred label: nebulosor @sv
preferred label: tähtisumut @fi
related: planetary nebulas

systems in natural science
type: Concept
narrower: planetary nebulas
preferred label: naturvetenskapliga system @sv
preferred label: luonnontieteelliset järjestelmät @fi

planetary nebulas
type: Concept
broader: systems in natural science
in scheme: conceptscheme
preferred label: planetariska nebulosor @sv
preferred label: planetaariset sumut @fi
related: star dusts