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A binary system is a set of two stars that make a complete revolution around a common center of mass, thus making a double revolution.
A binary system
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A binary system is a set of two stars that make a complete revolution around a common center of mass, thus making a double revolution.
Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.