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  • The Search for Planet X: How Pluto Was Discovered in 1930

    The Search for Planet X: How Pluto Was Discovered in 1930

    In the early 20th century, the scientific community was abuzz with the possibility of an undiscovered ninth planet in our solar system, known as “Planet X.” It was thought to be the explanation for the unusual gravitational perturbations observed in the orbits of Neptune and Uranus. And in 1930, the search for Planet X finally…