bn:00058260n
Noun Concept
Categories: Comets
EN
nucleus  comet nucleus  comet nuclei  cometary nuclei  cometary nucleus
EN
(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail WordNet 3.0
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EN
(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail WordNet 3.0 & Open English WordNet
The nucleus is the solid, central part of a comet, once termed a dirty snowball or an icy dirtball. Wikipedia
The solid, central part of a comet Wikipedia Disambiguation
The core, central part of something, around which other elements are assembled. Wiktionary
Core, central part of something. Wiktionary (translation)
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EN