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apastron |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.06 sec. |
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apastron (əpăs`trən): see apsis apsis (pl. apsides), point in the orbit of a body where the body is neither approaching nor receding from another body about which it revolves. Any elliptical orbit has two apsides. ..... Click the link for more information. . |
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apastron
