planetary nebula

planetary nebula (plural planetary nebulas)

  1. (astronomy) A nebulosity surrounding a dying red giant, consisting of material expelled by the star.
  • PN (abbreviation)
  • French: nébuleuse planétaire
  • German: planetarischer Nebel
  • Italian: nebulosa planetaria
  • Portuguese: nebulosa planetária
  • Russian: планета́рная тума́нность
  • Spanish: nebulosa planetaria

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