Astronomers believe that an alien megastructure in space is the reason of inexplicable flickering of the Tabby's star. The said star is 1,200 lightyears away from Earth, located near the constellation Cygnus. It has been observed that the Tabby's star is fading at an astonishingly fast rate.
Some astronomers propose that the fading is because alien civilizations present in exoplanets near Tabby's star are trying to encase the star by making a giant alien megastructure.
It is strange. But according to a report by NBC News, expert physicist Freeman Dyson proposed the existence of such alien megastructure in space way back in 1959. Dyson had said that eventually, all the planets that support life forms will drain out of energy.
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