The mean distance between the Earth and the Sun is $1\mathrm{.}5$ x $10$¹¹ m$.$ The mean distance between the Sun and Mars Is $2\mathrm{.}287$ x $10\mathrm{¹}\mathrm{¹}$ m$.$ What is the period of Mars around the Sun in Earth$-$days?

  

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Calculate the ratio of orbital periods Tmars Tearth2 ... View the full answer