Mundane wayward space rock, or extraterrestrial visitor?  Astronomers believe that our solar system's latest and only third ever confirmed interstellar visitor, 3I/ATLAS, is almost certainly a comet. But there's still many questions surrounding the nature of the object that means it isn't quite an open and shut case. Amid that uncertainty, famed Harvard astronomer Avi Loeb is pushing the possibility that the interstellar interloper is an "extraterrestrial artifact" — perhaps an "alien mothership" here to menace us. Which, in fact, could be interpreted as a good thing. "The discovery of an extraterrestrial artifact would reset our priorities to explore the […]

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Link :
https://futurism.com/mysterious-object-alien-artifact