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Meaning of planetary nebula nucleus | Babel Free

Noun CEFR C1

Definitions

The remnant hot luminous core of the stellar progenitor of the planetary nebula, which ionizes the surrounding planetary nebula.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
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See also

planetary object planetary ring planetary science planetary system planetary wave planetcide

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