https://simple.wikipedia.org/wiki/Earth's_core
The Earth's core is the part of Earth in the middle of our planet. It has a solid inner core and a liquid outer core. The temperature of the outer core ranges from 4400 °C in the outer regions to 6100 °C near the inner core. Seismic 3 in the outer core and 12,600–13,000 kg/m 3 …