The magnetic fields of Uranus and Neptune appear to originate in the:
A) rocky cores of the planets.
B) liquid water-mineral mixture in the mantles of the planets.
C) layer of liquid hydrogen and helium in the outer parts of the planets.
D) methane in the atmospheres of the planets.

Question

Quizplus · Accepted Answer

The magnetic fields of Uranus and Neptune are thought to originate from a liquid water-mineral mixture in their mantles, where ionic conduction occurs, rather than from their rocky cores or outer layers.

The Magnetic Fields of Uranus and Neptune Appear to Originate