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planetary magnetic fields

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Source : saturn.jpl.nasa.gov | Size : 151504

Planetologists believe that planetary magnetic fields are . these magnetic fields, including . magnetic field and permits the construction, within a .

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Planetologists believe that planetary magnetic fields aregenerated by a dynamo effect within the core of a planet.The dynamo effect occurs when moving electrical chargesgenerate magnetic fields. Such processes are believed tooccur deep inside some planets, based on the observationof their external magnetic fields. A spacecraft like Cassinican measure these magnetic fields, including their strengthand direction, at a large number of places around Saturn,from the equator to near the poles and from nearby andfar away. This allows detailed characterization of Saturn’smagnetic field and permits the construction, within acomputer, of good models of the generating source.

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