X-ray source (astronomical)
type: Concept
preferred label: چشمه پرتو ایکس (نجومی) @fa
related: supernova remnants

pulsar
type: Concept
preferred label: تپ‌اختر @fa
related: supernova remnants

supernovae
type: Concept
preferred label: ابرنواختر @fa
related: supernova remnants

radiosource (astronomical)
type: Concept
preferred label: چشمه رادیویی (نجومی) @fa
related: supernova remnants

supernova remnants
type: Concept
alternative label: SNR
broader: nebula
preferred label: بقایای ابرنواختر @fa
related: X-ray source (astronomical)
related: radiosource (astronomical)
related: supernovae
related: pulsar

nebula
type: Concept
narrower: supernova remnants
preferred label: سحابی @fa