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21 April, 20:13

Mars has an orbital period of 1.88 years. in two or more complete sentences, explain how to calculate the average distance from mars to the sun, and then calculate it.

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  1. 21 April, 20:19
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    By Kepler's 3rd Law:

    The square of the orbital period of a planet is directly proportional to a cube of semi-major axis of its orbit:

    T² = R³

    T = 1.88

    1.88² = R³

    3.5344 = R³

    R = ∛ 3.5344 = 1.524 A U

    1 Astronomic Unit = 149,600,000 km (or the distance: Earth to the Sun)

    1.524 * 149,600,600 = 227,990,400km

    The average distance from Mars to the Sun is 227,990,400 km.
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