Inside the Earth (IMAGE) University of Tokyo Caption Different layers within the Earth have differing compositions and densities. Credit © 2020 Kelvinsong - CC BY-SA 3.0 Usage Restrictions © 2020 Kelvinsong - CC BY-SA 3.0 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.