s/n9375223

Information
has gloss	(noun) (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 nucleus
lexicalization	eng: nucleus
subclass of	(noun) a point equidistant from the ends of a line or the extremities of a figure center, centre, midpoint

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has category	(noun) the branch of physics that studies celestial bodies and the universe as a whole astronomy, uranology
part of	(noun) (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit comet