The Earth has a layered structure made up of crust, mantle, outer core and inner core. Find out more in this BBC Bitesize guide for students aged 11-14.

Anisotropy measurements of Earth’s inner core based on these waves’ travel times revealed previously-unrecorded data about Earth’s interior structure.

X-rays reveal inner structure of Earth's ancient magma ocean. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2013 / 11 / 131106131936.htm ...