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kepler's third law

n.
1.a law stating that the ratio of the square of the revolutionary period (in years) to the cube of the orbital axis (in astronomical units) is the same for all planets

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  • Idiom of the Day

    out of sight
    not visible
    The children were out of sight and we could not see them.



    1.
    In the huge yard there was a ________ pine tree in one corner but no other large plants to speak of.

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