Question

Which one of the following is not true about Kepler rules for planetary bodies?

• A. The orbit of a planet is an elliptical with the Sun at one of the two foci.
• B. A line segment connecting a planet and the sun makes an equal area outside during equal intervals of time.
• C. The square of its orbital period is proportional to the cube of the semi-principal axis of its orbit.
• D. The orbital period depends on the mass of the planet.

Answer 1

Answer: (D)