nucleus 4
rzeczownikdomena: obiekt naturalny
Princeton WordNet [ver.3.1]
Definicja
(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
(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
