Interior Structure of the Earth (IMAGE) European Synchrotron Radiation Facility Caption This computer-generated image shows the different layers of the Earth: The outer solid crust, the viscous upper and lower mantle, the liquid outer core, and the solid inner core. Credit ESRF Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.