Question: Doppler measurements show that a massive planet orbiting a distant star has an orbital period of 90x10^3 seconds; the mass of the host star

Doppler measurements show that a massive planet orbiting a distant star has

Doppler measurements show that a massive planet orbiting a distant star has an orbital period of 90x10^3 seconds; the mass of the host star is 1.30 solar masses, and that of the planet is 0.3 solar masses. What is the planet's average orbital distance? 9.9 x 10^9 m 3.5 x 10^9 m 5.4 x 10^9 m 1.3 x 10^10 m

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