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| any star in the Ptolemaic theory of planetary motion | ||||
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| any star around which a planetary system revolves | ||||
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| [in astronomy] a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior | ||||
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| any celestial body visible (as a point of light) from the Earth at night | ||||
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| of or relating to the stars or constellations |