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Portable Network Graphic  |  1996-04-23  |  6KB  |  242x200  |  8-bit (41 colors)
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OCR: BINARY STAR .............................................. A BINARY STAR is a pair of stars that are held together by the pull of gravity between them and so orbit around a common center. About half of all recorded stars are binary stars with orbital periods that range between 1 day and 100 years.