What is an epicycle in the context of retrograde motion?

Oct 31, 2024 ... When we talk about a retrograde motion of a planet, we're talking about its apparent movement relative to the stars, from our perspective on Earth. Retrograde Motion of Mars. Arising from the nature of the orbits of Earth and Mars around the Sun, there are times when Mars appears to be traveling backward ... The apparent retrograde motion of the planets was a puzzle for astronomers from the ancient world to the final establishment of heliocentric cosmology in ... Mar 13, 2025 ... Public servant, wrote Product Management for UX People, curator of Design in Product, songwriter in residence for At Swim-Two-Birds. A means of explaining retrograde motion by using a series of nested spheres, not only for the cosmos as a whole, but for each planet. Apr 17, 2025 ... I believe what you are seeing is the apparent “retrograde”, or backwards, motion of Mars as the Earth overtakes Mars on an inside track (orbit) ... Apr 7, 2025 ... This is why we call the phenomenon apparent retrograde motion, as it only looks like the planet is moving backward (“retrograde motion”)!. When ... Jan 18, 2022 ... In MGS4's design, setting, and character writing, backwards motion is disguised as forward motion, regress veiled by a guise of progress. May 11, 2017 ... Retrograde Motion - Chapter 1 - Lysical - Red Hood and the Outlaws (Comics) [Archive of Our Own] ... Chapters: 1/? ... Summary: All Jason wanted was ... Apr 21, 2023 ... Still, in astrology, the apparent retrograde motion of the planets is believed to provide a necessary cosmic cleaning service. Each planet ...