The core of the Earth, with a radius of 370 kilometers, was extremely dense.
In fact, no one knew what kind of material the core was made up of and what form it had.
Before the Galactic era began, humans on earth did not have the technology or ability to explore Earth’s mysterious core.
After the Galactic era began, due to the enormous external pressure from big countries wanting to annex Earth, all of Humanity’s attention was focused on external affairs, ignoring their own mother star.
According to scientists, the core had two parts, the outer core and inner core. The outer core was a hot metal solution with temperatures up to 6,000 degrees Celsius. The inner core was more special. The high power scanning system of the large starships, could not penetrate the core.
"It is made of iron and nickel." One of the world's preeminent earth scientists had once assert.
