Which planet rotates in the opposite direction to most of the other planets in the Solar System?
The planet Venus rotates in the opposite direction to most planets in the Solar System. This type of rotation is called retrograde rotation, meaning Venus spins on its axis from east to west, whereas most planets rotate from west to east.
Venus takes about 243 Earth days to complete one rotation, making its rotational period extremely long. Interestingly, Venus’s rotation is so slow that its sidereal day is longer than its year, which lasts about 225 Earth days.
The reason for Venus’s unusual rotation is not completely settled, but scientists have proposed that interactions involving its atmosphere and tidal forces, along with possible impacts during its early history, may have contributed to its present-day spin.
Uranus also has an unusual rotational orientation and is often described as having retrograde rotation because of its extreme axial tilt of about 98°. However, for the commonly asked quiz question, Venus is the expected answer.
