Question Description

For centuries, people had no simple explanation for what causes theapparent retrograde motion of the planets in the sky. Today, we have astraightforward explanation, but it can still be a tough topic tounderstand.

What confuses you most about the concept of planetary retrograde motion (or does it all make perfect sense to you)?

For centuries, people had no simple explanation for what causes the apparent retrograde motion of the planets in the sky. Today, we have a straightforward explanation, but it can still be a tough topic to understand. What confuses you most about the concept of planetary retrograde motion (or does it all make perfect sense to you)?