If you were observing Earth's motion from another planet,would you observe occasional retrograde motion?

Question

Quizplus · Accepted Answer

Retrograde motion is observed when a planet appears to move backward in its orbit for a short period of time due to the relative positions of Earth and the planet. This phenomenon can occur for any planet, both inner and outer, as long as the observation is done from another planet. Therefore, the best choice is D, as it includes all planets.

If You Were Observing Earth's Motion from Another Planet,would You