Moon Lost Its Magnetic Field After Its Internal Dynamo Shut Down One Billion Years Ago
The team, led by Saied Mighani, from MIT’s Department of Earth, Atmospheric, and Planetary Sciences, and Huapei Wang, from the China University of Geosciences, have been studying the moon’s magnetic field for several years. Earth has a magnetic field that protects the planet from the stream of charged particles coming from the sun. It is thought to be generated by electric currents that are produced by the movement of liquid metal at the planet’s core....