By orbiting a planet with a probe and using Kepler's third law, scientists can learn a planet's
A) albedo.
B) age.
C) volume.
D) density.
E) heat capacity.

Question

Quizplus · Accepted Answer

Kepler's third law relates the orbital period of a planet to its semi-major axis, which can be used to determine the planet's mass. Knowing the mass and volume, scientists can calculate the planet's density.

By Orbiting a Planet with a Probe and Using Kepler's