IPFS News Link • Science
Heart of Earth's Inner Core Revealed
• arcleinSo instead, scientists use echoes generated by earthquakes to study the core, by analysing how they change as they travel through the different layers of our planet. Prof Xiaodong Song, from the University of Illinois at Urbana-Champaign said: "The waves are bouncing back and forth from one side of the Earth to the other side of the Earth."