Science Did the moon once contain a dynamo?

Scientists have long debated the source of magnetized moon rocks in the absence of a lunar magnetic field. Now, a new study suggests that our natural satellite once had an active and complex interior.

By , Staff Writer

NASA

From a terrestrial view, our moon often looks like an inert ball of listlessness. But there is a lot more going on under the surface – or at least there once was. New research suggests that, billions of years ago, the moon's core was home to circulating currents of electromagnetic energy.