Earth's magnetic field, artwork

Earth's magnetic field, artwork

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Credit: ROGER HARRIS/SCIENCE PHOTO LIBRARY

Caption: Earth's magnetic field, computer artwork. The blue lines represent the magnetic field lines, which extend from the magnetic poles near the North and South poles. The magnetic field, which is thought to be generated by the movement of molten iron in the Earth's core, protects Earth from high-energy radiation from the Sun. The shape of the magnetic field channels charged particles from the Sun towards the poles, where they impact atmospheric gases and cause the aurorae.

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Keywords: artwork, astronomical, astronomy, astrophysical, astrophysics, diagram, earth, field line, field lines, geological, geology, geophysics, global, globe, illustration, magnetic, magnetic field, magnetism, magnetosphere, physics, planet, planetary, solar system, space, world

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