The average mean distance of Earth from the sun is
149.6 x 106 km and the period of Earth is 1.0 year. The
average mean distance of Saturn from the sun is
1427 x 106 km. Using Kepler's third law, what is the period of
Saturn?
a 18.23 yr
b 20.89 yr
C 29.46 yr
d 10.56 yr