In 2015, astronomers had been trying to find the cause of Tabby’s Star’s mysterious behavior. The star kept dimming in an oddly sporadic pattern, and overall got 10% less bright in just a century. Some scientists have suggested an alien megastructure or a massive swarm of comets may be to blame. In 2019, a team of astrophysicists at Columbia University proposed a different culprit. The star has stolen icy moons from an orbiting planet. Over time, radiation dissolved these moons, creating a dusty cloud that blocks some of the starlight.
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Scientists Think They’ve Finally Solved The Mystery Of The ‘Alien Megastructure’ Star
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The ‘alien megastructure’ star is acting weird again
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Astronomers Have Their Best Solution Yet To The Mysterious ‘Alien Megastructure’ Star
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