Journey to the Center of the Earth — Earth’s Structure, Layers, and Magnetic Field Explained | Chapter 2 from Earth: Portrait of a Planet
Journey to the Center of the Earth — Earth’s Structure, Layers, and Magnetic Field Explained | Chapter 2 from Earth: Portrait of a Planet What lies beneath our feet, and how do scientists know what’s inside the Earth? In Chapter 2 of Earth: Portrait of a Planet by Stephen Marshak, we dive deep into the structure of our planet—from its protective magnetic field and atmosphere to its dynamic, layered interior. For a detailed audio summary, watch the full YouTube video or keep reading for a comprehensive breakdown of the chapter’s essential concepts. Introduction: Earth in Space and Solar System Context The journey to the center of the Earth begins in space. Chapter 2 reviews our planet’s context within the Solar System, from distant objects like the Oort Cloud and Kuiper Belt to the more familiar asteroid belt. These regions harbor clues to planetary formation and the materials that make up the inner planets. Earth’s Magnetic Field and Atmospheric Protection Earth is unique...