The magnetic field in a large rotating body can reverse direction periodically. For which two bodies in the solar system has evidence been found for such magnetic reversals?

Question

Quizplus · Accepted Answer

Magnetic reversals have been well documented for both the Sun, which experiences them approximately every 11 years as part of its solar cycle, and the Earth, where geological evidence shows numerous reversals of its magnetic field over millions of years.

The Magnetic Field in a Large Rotating Body Can Reverse