| Definitions from the WebRetrograde MotionDescription:Retrograde motion refers to the apparent backward movement of a celestial object in relation to the other stars or planets in its orbit. This phenomenon occurs when a faster-moving object passes by a slower-moving one, making it temporarily appear as if it is moving backward. Sample sentences:
  During certain times of the year, Mars exhibits retrograde motion, causing it to appear to move in the opposite direction across the night sky.Astronomers have studied retrograde motion extensively to understand the complex orbital dynamics of the planets.Mercury periodically undergoes retrograde motion, leading to delays and miscommunications according to astrological beliefs. Related products: |