On october 15, 2001, a planet was discovered orbiting around the star hd 68988. its orbital distance was measured to be 10.5 million kilometers from the center of the star, and its orbital period was estimated at 6.3 days. what is the mass of hd 68988? express your answer in kilograms and in terms of our sun's mass.
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On october 15, 2001, a planet was discovered orbiting around the star hd 68988. its orbital distance...
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