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You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.70×107 m and its rotation period to be 22.3 hours. You have previously determined that the planet orbits 2.70×1011 m from its star with a period of 402 earth days. Once on the surface you find that the free-fall acceleration is 12.5 m/s2 .

A) What is the mass of the planet?
B) What is the mass of the star?