How does the changing perspective of an observer on Earth contribute to the illusion of retrograde motion?

May 22, 2021 ... Retrograde motion is an optical illusion caused by differences in the planets' orbital speed. Let's take Mars as an example. This superior ... 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 ... Mar 13, 2025 ... Public servant, wrote Product Management for UX People, curator of Design in Product, songwriter in residence for At Swim-Two-Birds. Sep 30, 2020 ... An Archive of Our Own, a project of the Organization for Transformative Works. Short animation depicting the retrograde motion of planets in the night sky. Embed code