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Binary starPair of stars bound together by mutual gravitation and orbiting their common centre of mass.
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Binary starTwo close stars held together by a gravitational force and revolving like a dumbbell about a common center of gravity. The center is closer to the more massive star.
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Binary staris a star system composed of two stars that orbit a common center. The primary star is brightest; the secondary is referred to as the companion star.
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Binary starTwo stars revolving around a common center of gravity.
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Binary stara pair of stars that revolve around each other
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