In 1986, the Voyager 2 spacecraft discovered Uranus has a strangely weak radiation belt. Now, researchers think this could be linked to "traffic jams" caused by the world's warped magnetic field.

'Traffic jams' around Uranus could solve the mystery of its weak radiation belts

Source: space
Source Link: https://www.space.com/uranus-traffic-jams-weak-radiation-belts