KIC 8462852, or “Tabby’s Star,” named after Tabetha Boyajian, the researcher at Louisiana State University (USA) who is leading its study, is a medium sized star, some 50 percent bigger than the sun, and 1,000 degrees hotter, at a distance of around 1000 light years. However, its brightness rises and falls sporadically, without explanation. Many theories have been proposed to explain the unusual light curve of the star, including the existence of an alien mega-structure orbiting around it.
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