What might cause a moon to have a retrograde orbit?

Retrograde Motion in Astronomy. Astronomically, retrogrades happen as Earth is passing or being passed by other planets. Like the apparent movement of the sun ... Eager to stress the dimension of radical change and of novelty in the nature of things, he rejected (in one form) what he called “the retrograde movement of the ... Planets usually move W to E, which we call "prograde" or "direct," then appear to move E to W, or "backward" from normal motion, before resuming W to E motion. When an object in the sky appears to move backwards with respect to the common motion of the system, it is said to be in retrograde motion. Apparent retrograde motion ... This article is about the apparent motion of planets as observed from a particular vantage point. For retrograde motions of ... Unlike the Sun and Moon, however, the planets don't always make steady progress along the ecliptic. They usually move in the same direction as the Sun (i.e., ... Oct 31, 2024 ... During retrograde, a line drawn from the Earth through Mars out to the background stars begins sweeping to the right as the Earth passes Mars. It reaches its closest point to it on December 7, after which it enters retrograde motion, inching westward each evening until February 23, 2025. Mars then ... Jul 5, 2018 ... Creative energy, professional life, writing. Unsurprisingly, Mars retrogrades are usually rough for me, as they tend to hit all of big buttons. Jul 6, 2023 ... This video describes the science behind retrograde motion! Animation at 2:30 is from Dominic Ford. You can find his work at: in-the-sky.org ...