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The atlas · Down through the planet

Interior

Crust, mantle and core, down 6,371 km.

3 written · 8 in outline · 4 sections

01,0002,0003,0004,0005,0006,000kmSurface to CoreThe Earth’s inner heatThe mantleWhen the field flipsThe crustThe deepest holesGeothermal energySeismic wavesInside the EarthThe coreThe magnetic field
Written Outline, being written · drawn to scale by depth

The layers

  1. Surface to CoreExplorer
  2. Inside the EarthLesson
  3. The crustEncyclopaedia · outline
  4. The mantleEncyclopaedia · outline
  5. The coreEncyclopaedia · outline

Magnetism

  1. The magnetic fieldLesson
  2. When the field flipsLesson · outline

Heat

  1. The Earth’s inner heatLesson · outline
  2. Geothermal energyLesson · outline

Probing the deep

  1. Seismic wavesReference · outline
  2. The deepest holesReference · outline