Kepler's Third Law States That

Multiple Choice

Kepler's third law states that:

A) period of a planet in years is the same number as its semimajor axis in au.
B) square of a planet's period in years is the same number as the cube of its semimajor axis in au.
C) square of a planet's period in years is the same number as the fourth power of its semimajor axis in au.
D) cube of a planet's period in years is the same number as the square of its semimajor axis in au.