Question: An astronomer observes a planet orbiting a star with a period of 9.5 years and a semimajor axis of 3 108 km. Find the

An astronomer observes a planet orbiting a star with a period of 9.5 years and a semimajor axis of 3 × 108 km. Find the mass of the star using Exercise 2.

Data From Exercise 2

Using Kepler’s Third Law, show that if a planet revolves around a star with period T and semimajor axis a, then the mass of the star is M = 3 (+7) () G

M = 3 (+7) () G

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