The fastest moving planet in a solar system is
A) the most massive planet.
B) the planet nearest the sun.
C) the smallest planet.
D) the planet farthest from the sun.
E) any planet, for they all move at the same speed.

Question

Quizplus · Accepted Answer

The planet nearest the sun moves the fastest due to the stronger gravitational pull it experiences, causing it to orbit at a higher velocity to maintain its orbit. This is in accordance with Kepler's laws of planetary motion.

The Fastest Moving Planet in a Solar System Is