Urdu Meanings, Pronounciation and Synonyms:
planetary nebula
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: planetary nebula
| 1. planetary nebula | |
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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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