An interstellar visitor may have changed the course of 4 solar system planets, study suggests

An interstellar visitor may have changed the course of 4 solar system planets, study suggests

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests. The findings may shed light on why these planets’ paths have certain peculiar features. For decades, astronomers have debated how the solar system‘s planets formed….

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