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Binary star system News

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The debris appears to be rocky and suggests that terrestrial planets like Tatooine might exist in the system, according to the researchers.
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AR Sco contains a rapidly spinning, burnt-out stellar remnant called a white dwarf, which lashes its neighbour - a red dwarf - with powerful beams of electrical particles and radiation, causing the entire system to brighten and fade dramatically twice every two minutes.
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One star hosts two planets and the other hosts the third. The system represents the smallest-separation binary in which both stars host planets that has ever been observed.
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The previous record holder was Epsilon Aurigae, a giant star that is eclipsed by its companion every 27 years for periods ranging from 640 to 730 days.






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