Jupiter
Jupiter
The size of the planet doesn't have an effect on how fast a planet spins, therefore the speed to spin is random or has some other factor.
Neptune
It's called a Rouge planet.
It's Venus, not Mercury. Mercury spins slowly, but not in a retrograde rotation. Venus spins the opposite way from the other planets, except for one of the outer planets (Uranus).
Venus. It spins the other way compared to the other inner planets.
mercury spins faster.
retrograde rotation
A retrograde motion.
retrograde motion
A retrograde motion.
retrograde rotation