The following table shows the period of revolution of some unknown planets of equal mass. Period of Revolution Planet Period of Revolution W 1.9 years X 11.8 years Which of the following best explains which planet is farther from the sun? Planet W, because gravity is inversely proportional to the square of distance Planet X, because gravity is inversely proportional to the square of distance Planet X, because the sun exerts a greater gravitational force on it than on planet W Planet W, because the sun exerts a greater gravitational force on it than on planet X