How To Use Binary star In A Sentence
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Brownlee is an expert on comets and space dust; Szkody is an authority on binary star systems called cataclysmic variables.
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a binary star is a system in which two stars revolve around each other
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Middle, the 96 X-ray detected non-binary stars showing the cut-off of coronal emission at the dividing line.
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For example, some accretion disks in binary star systems occasionally undergo large, temporary increases in luminosity.
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Her expertise enabled her to make substantial contributions to our understanding of binary stars and stellar life cycles.
Times, Sunday Times

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In contrast, in a binary star system both components emit their own light, making possible much larger amplitudes in the variation of the total light received in our telescopes.
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But a binary star—two gravitationally locked stars that orbit each other—"could do it, and a star that already has at least one planet," he said.
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Widely separated binaries, such as visual binary stars, may have formed by tidal capture.
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Near the geographic center of the galaxy was a binary star system called Theralia.
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Binary stars consist of two or more stars held in orbit by their mutual gravitation.
The Harper Dictionary of Science in Everyday Language
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Second, it is the only planet currently known to orbit a binary star system.