Earth’s Inner Core Might Be Slowing Down and Changing Shape, New Study Reveals https://ift.tt/HDZ3SmO Earth’s Inner Core Might Be Slowing Down and Changing Shape, New Study Reveals Research indicates that Earth's solid inner core, a metal sphere encased within the molten outer core, could be undergoing changes in both rotation and surface structure. Studies involving seismic waves from earthquakes have revealed that the core's rotation may have slowed, paused or even reversed relative to Earth's surface approximately 15 years ago. New findings presented by John…