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    Question

    Which planet was the first to be discovered through

    mathematical predictions rather than direct observation?
    A Uranus Correct Answer Incorrect Answer
    B Saturn Correct Answer Incorrect Answer
    C Venus Correct Answer Incorrect Answer
    D Neptune Correct Answer Incorrect Answer

    Solution

    Neptune holds the distinction of being the first planet located through mathematical calculations rather than visible observation. In 1846, Johann Galle discovered Neptune based on predictions made by the French mathematician Urbain Le Verrier. The planet was later named Neptune after the Roman god of the seIt is the eighth and farthest known planet from the Sun.

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