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What is the definition of binary star system

User Ribram
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is a system of two objects in space which are so close that their gravitational  interaction causes them to orbit  about a common center of mass.
User Arackna
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A binary star is a star system consisting of two stars orbiting around their common center of mass. Systems of two, three, four, or even more stars are called multiple star systems.



User Franco Rabaglia
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