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parabolic comet

From Wiktionary, the free dictionary

English

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Noun

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parabolic comet (plural parabolic comets)

  1. A comet whose orbit is parabolic and so makes only a single visit to the inner solar system

Usage notes

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  • A comer whose elliptical orbit has a very high eccentricity, and thus revisits the inner solar system less than once per thousand years is termed a near-parabolic comet