
The SciencesJuly 1, 2005
The Core-Mantle Boundary
This interactive zone may be the most dynamic part of the planet, directly affecting Earth's rotation and magnetic field

The Core-Mantle Boundary
This interactive zone may be the most dynamic part of the planet, directly affecting Earth's rotation and magnetic field

The Core-Mantle Boundary
This interactive zone may be the most dynamic part of the planet, directly affecting the earth's rotation and magnetic field

The Earth's Core
Indirect evidence indicates that it is an iron alloy, solid toward the center but otherwise liquid. It is the turbulent flow of the liquid that generates the earth's magnetic field