planetary nebula
https://w3id.org/framester/wn/wn30/instances/synset-planetary_nebula-noun-1 <https://w3id.org/framester/wn/wn30/schema/NounSynset>
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planetary nebula
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09394797-n
planetary nebula
108805314
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0
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0
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
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109394797