A planet whose distance from the Sun is 3 A.U. would have an orbital period of how many Earth-years? 81 $\sqrt{27}$ 3 9 $\sqrt{3}$
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Mathematically, this is expressed as: $P^2 \propto a^3$ where: * $P$ is the orbital period in years * $a$ is the semi-major axis of the orbit in AU (Astronomical Units) Show more…
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