How does Newton's law of universal gravitation explain planetary orbits and apparent retrograde motion?

1) Which planet will orbit the Sun in the least (shortest) amount of time? Why? - "Earth because it is heavier than Mercury." - "Earth because it is farther ... Answer: Retrograde motion is an APPARENT change in the movement of the planet through the sky. It is not REAL in that the planet does not physically start ... Apr 10, 2025 ... Retrograde motion of planets: to sum up. Retrograde motion is an apparent reversal of the planetary movement. From the Earth, it appears that ... Jan 4, 2023 ... What is retrograde? The planets move from west to east across the night sky. All the planets travel in the same direction around the Sun, and if ... The backward (east to west) part of the motion is called retrograde (backwards) motion. This retrograde motion of planets required the geocentric model to ... Apparent retrograde motion ... This article is about the apparent motion of planets as observed from a particular vantage point. For retrograde motions of ... Jul 10, 2019 ... Rotation in the opposite direction of what is traditionally seen in the cosmos is called retrograde. The planets Venus and Uranus spin clockwise ... Apr 24, 2019 ... And in the process I was forced to note how these affected me as well—maybe even contributing to this slow dive into abstraction I recently ... Retrograde motion is an interesting phenomenon observed in the sky, especially with planets. Normally, planets move across the sky from west to east ... Phoenix is forced to live through tragedies that no human should have to live through, physical and psychological pain. In the end, for an immortal that is all ...