FOLLOWING ITS public debunking of the 2012 Mayan apocalypse myth in 2009, Nasa has once again dignified a conspiracy theory with a response, claiming that a planet-sized triangular UFO is actually an optical illusion.
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True believers had seized on video footage from Stereo-B, one of two Nasa probes studying the sun, which appeared to show a colossal triangular-shaped object. The video below, which was recorded in December 2011, shows the triangle entering the frame from top right, while earth, Venus and the sun are all on the left of the frame.
Nasa has offered its own explanation for what it terms an “image artifact”. On the Stereo website they write: “The answer lies on the exact opposite side of the image. At the same time as this strange-looking feature starts being visible, the very bright planet Venus enters the HI2-B field-of-view from the lower left. . . .