An illustration of Jupiter and other planets orbiting the Sun. — Nasa/FileA planet-sized visitor possibly visited the solar system billions of years ago and permanently changed the cosmic neighbourhood by warping the orbital path of four outer planets of the system, a new study...source https://www.thenews.com.pk/latest/1275311-astral-visitor-may-have-changed-orbital-path-of-solar-system-planets-says-study
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