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cosmic dust

Is an alien structure circling the ‘most mysterious star in the universe’

MIAMI: It's been called the "most mysterious star in the universe," bigger than the sun and yet brightening and dimming in an odd way that suggested to some an alien megastructure might be circling it. But a study out Wednesday, compiled by more than 100 scientists who have been observing the star, named KIC 8462852, puts the alien rumors to rest. "Dust is most likely the reason why the star's light appears to dim and brighten," said lead author Tabetha Boyajian, assistant professor of physics and astronomy at…