A star with three times the mass of our Sun has a small planet that takes 6 years to orbit the star. At what distance would this planet orbit its star? Use Newton's and Kepler's equation a³ = (M₁ + M₂) x P² from chapter 3 to help you.
A. About 50 AU
B. About 10 AU
C. About 75 AU
D. About 1 AU
E. About 5 AU
F. About 108 AU
G. About 15 AU
