Crédito: DepositphotosEstruturas do tamanho de continentes, que se projetam do manto inferior em direção ao núcleo externo da Terra, podem estar contribuindo para uma instabilidade no campo magnético do nosso planeta. Suposições iniciais sobre a semelhança Estas duas formações, uma sob o Pacífico e a outra sob África, têm caraterísticas semelhantes em termos de ondas sísmicas,...
Segundo pesquisas recentes, irregularidades no processo de resfriamento do ferro fundido no núcleo da Terra são responsáveis por variações no campo magnético do planeta.O turbilhão de ferro fundido no núcleo da Terra controla o campo magnético. Credito: iStockPor que as operações de satélite e as leituras da bússola sofrem interferência que resulta em direções...
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