How does the earth's core differ from other planets in the solar system?
Earth's core is mainly composed of iron, nickel, gold, platinum and uranium.
These metals are found under the earth's crust in a liquid form and are also found on the core in the form of solid.
Its almost very dense as compared to other planets of the solar system. i.e. earth has the densest core in the solar system among all the planets.
The temperature ranges from 7,000-9,000º F.