5 t superconducng magnets 300000 g or 30 t earths

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Unformatted text preview: the high temperatures of the core prevent materials from retaining permanent magne&za&on. •  The most likely source of the Earth’s magne&c field is believed to be electric currents in the liquid part of the core. •  The direc&on of the Earth’s magne&c field reverses every few million years. –  Evidence of these reversals are found in basalts resul&ng from volcanic ac&vity. –  The origin of the reversals is not understood. Magne&c Fields •  When a charged par&cle is moving through a magne&c fi...
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