P^2 = a^3 What is the semimajor axis of Mars (in AU) if its orbital period is 1.9 years? 1.3 AU 1.5 AU 1.7 AU 1.9 AU
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This is Kepler's Third Law, which states that the square of the period of a planet's orbit (p) is proportional to the cube of the semi-major axis of its orbit (a). In this case, we know the orbital period (p) is 1.9 years. We need to find the semi-major axis Show more…
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