外星系不明物体造访太阳系

Group 1 - The article discusses an unidentified object in space, potentially an interstellar visitor, drawing attention from astronomers across multiple countries [1] - The object, designated A11pI3Z, is currently located between the asteroid belt and Jupiter, several hundred million kilometers from Earth [1] - The object was at its closest point to the Sun in October of the previous year, remaining outside the orbit of Mars, and is positioned on the opposite side of the Sun from Earth, posing no collision threat [1]