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Q14) An exoplanet orbits a star that has 5 times the mass of the Sun. If the exoplanet's orbital semimajor axis is 10 AU, estimate

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Q14) An exoplanet orbits a star that has 5 times the mass of the Sun. If the exoplanet's orbital semimajor axis is 10 AU, estimate its orbital period in years. [2 points] (15) An exoplanet has an apastron distance of 16 AU and a periastron distance of 4 AU. Calculate its orbital semimajor axis (in AU) and its orbital eccentricity. [2 points]

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