If Mercury has an orbital period of about 88 days, what is its average distance from the Sun?
A) 0.2 AU
B) 0.01 AU
C) 0.05 AU
D) 0.4 AU
E) 0.7 AU

Question

Quizplus · Accepted Answer

According to Kepler's third law, the square of the orbital period of a planet is proportional to the cube of its average distance from the Sun. For Mercury, with an orbital period of about 88 days, its average distance is approximately 0.4 AU.

If Mercury Has an Orbital Period of About 88 Days