This has happened on Earth, according to the geological record. Since it happened on Earth, it may also have happened on other bodies.
the sun
the sun
The Earth is the only body in our solar system that has experienced magnetic pole reversals in its history. This phenomenon is when the magnetic north and south poles switch positions, and it has occurred several times over the past billion years.
Jupiter's moon, Ganymede, is the only moon in the solar system known to have its own magnetic field. This magnetic field is believed to be generated by a liquid iron core, similar to Earth's. No other moon in our solar system has a magnetic field.
The center body of the solar system is the Sun.
The largest non-planetary body in the solar system is Ganymede, one of Jupiter's moons. Ganymede is even larger than the planet Mercury and is the only moon known to have its own magnetic field.
You mean - of THE solar system ?? That would be the sun.
The Sun is the central and largest body of the Solar System - but it is not a planet.
Jupiter is the largest planet in our solar system, but the Sun is the biggest body.
But ... there are many bodies in our Solar system that have no atmosphere.
The central body of every solar system is a star.
The planet Mercury has the fastest movement in our solar system.