Structure of the Earth (IMAGE) Helmholtz-Zentrum Dresden-Rossendorf Caption The Earth has a shell-like structure. It is divided into a core (inner and outer core), a mantle (lower and upper mantle, separated by a transition zone), and the earth's crust. Credit B. Schröder/HZDR/NASA/Goddard Space Flight Center Scientific Visualization Studio Usage Restrictions You are free to share and adapt the material. Attribution is required, with a link to the license, and you must indicate if changes are made to the work. License Original 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.