The law that states that the square of the orbital period of a planet is directly proportional to the cube of its average distance from the sun is Kepler's Third Law.
21. Which of Kepler's laws states that the square of the orbital period of a planet is directly proportional to the cube of its average distance from the sun?
(1 point)
Responses
Kepler's First Law
Kepler's First Law
Kepler's Second Law
Kepler's Second Law
Kepler's Third Law
Kepler's Third Law
None of the above
1 answer