Question

What does the earths core do for our planet?

Answer 1

The churning metal of the outer core creates and sustains Earth's magnetic field. The hottest part of the core is actually the Bullen discontinuity, where temperatures reach 6,000° Celsius (10,800° Fahrenheit)—as hot as the surface of the sun. The inner core is a hot, dense ball of (mostly) iron.

Answer 2

Earth's core is important for three main reasons: (1) it is responsible for the generation of Earth's magnetic field; (2) it contains information regarding the earliest history of accretion of the planet; and (3) thermal and compositional features established when the core formed have largely controlled the subsequent ...