Mute
Astronomia e ciências
Para um planeta ter um campo magnético ele precisa de um núcleo ativo, igual na Terra. A Terra tem um núcleo externo líquido, onde o ferro liquefeito gira em torno do núcleo interno que é sólido, isso cria correntes que giram ali dentro.🌎🧠 #mundo #EstrelaDeFamila #vida #Terra #mundo
Follow
46
2
17
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