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Bible Encyclopedias
Binary System

1911 Encyclopedia Britannica

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In astronomy, a system composed of two stars revolving around each other under the influence of their mutual attraction. A distinction was formerly made between double stars of which the components were in revolution around each other, and those in which no relative motion was observed; but it is now considered that all double stars must really be binary systems.

Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Binary System'. 1911 Encyclopedia Britanica. https://www.studylight.org/​encyclopedias/​eng/​bri/​b/binary-system.html. 1910.
 
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