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Planetary Nebula

nounid 112604·updated May 18, 2026
verified

a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star

MWE

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Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
Planetary NebulaePlanetary Nebulas
possessive
Planetary Nebula's
pluralpossessive
Planetary Nebulae'sPlanetary Nebulas'

Framework definitions

Wordset Dictionary1 senseview framework →
§1
a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star
DR-088 backfill from the noun definition column

Outgoing relationships

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Incoming relationships

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