Question: Planets beyond the solar system. On October 15, 2001, a planet was discovered orbiting around the star HD68988. 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.
A. What is the mass of HD68988? Express your answer in kilograms.
B. What is the mass of HD68988? Express your answer in terms of our sun's mass.