planetary nebula
Jump to navigation
Jump to search
English[edit]
Etymology[edit]
Coined by William Herschel because of their apparent resemblance to the planet Uranus.
Pronunciation[edit]
Noun[edit]
planetary nebula (plural planetary nebulas or planetary nebulae)
- (astronomy) A nebulosity surrounding a dying red giant, consisting of material expelled by the star.
Synonyms[edit]
- PN (abbreviation)
Derived terms[edit]
Translations[edit]
nebulosity