This May Be the Best Explanation Yet For That Mysterious ‘Alien Megastructure’

A new paper from Columbia University suggests that Tabby’s star—the celestial object voted most likely to host an alien megastructure—is acting weirdly because it recently annihilated an entire planet, and the shattered remains of that planet are now producing strange flickering effects.
 It’s probably the best theory we’ve heard so far. It’s not aliens. At least that’s the conclusion reached by a trio of astronomers from Columbia’s Departments of Physics and Astronomy.
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