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Mystery of Glowing Cosmic ‘Eye’ Finally Solved

The Blue Ring NebulaPicture: NASA/JPL-Caltech/NASA/JPL-Caltech/M. Seibert (Carnegie Establishment for Science)/Okay. Hoadley (Caltech)/GALEX Group In 2004, astronomers noticed a novel celestial characteristic that, when noticed in ultraviolet, bore the looks of a glowing eye staring immediately again at Earth. Unbeknownst to them, it could take 16 years to determine what triggered the Blue Ring Nebula to […]