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alien megastructure

Controversy and questions persist around 'alien megastructure' star
Jun 2, 2016

The mystery of “Tabby’s Star,” aka KIC 8462852, made headlines around the globe after some astronomers posited it could be dimming due to the construction of an alien megastructure. For a hot second it seemed to be explained away by a ring of giant comets — but now it seems the alien megastructure option is back on the table.