109K views · 3.3K reactions | * Mercury’s retrograde motion * This...

Jupiter and Saturn go retrograde 🪐This video explains the apparent retrograde motion of the outer planets using Jupiter and Saturn as examples.Saturn goes retrograde for about 4.5 months every year.Jupiter also moves “backwards” for approximately 4 months annually.📖 Retrograde motion is an optical illusion caused by differences in the planets’ orbital speeds. When a planet seems to reverse its direction in the sky, it’s called retrograde motion (from the Latin word retrogradus – "going backwar

878K views · 10K reactions | Planets usually move across our night...

Mars sometimes appears to move backward in the night sky due to retrograde motion, an optical illusion. This happens when faster-orbiting Earth overtakes Mars. As Earth passes, Mars seems to slow, stop, and move westward, although it's still moving forward in space. This "backward" motion occurs roughly every 26 months. The last one started on December 6, 2024 and finished on February 23, 2025. The next one is from January 25, 2027 to April 7, 2027. Retrograde motion puzzled ancient astronomers,