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    Question

    What unit is primarily used to measure distances between

    celestial bodies?
    A Metres Correct Answer Incorrect Answer
    B Miles Correct Answer Incorrect Answer
    C Kilometres Correct Answer Incorrect Answer
    D Light years Correct Answer Incorrect Answer

    Solution

    A light year is the distance light travels in one year, roughly 9.46 trillion kilometers. It is widely used in astronomy to measure interstellar distances.

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