There are several theories about how Earth and its moon were formed, most involving a giant impact. Now scientists at the University of Leeds and the University of Chicago have analyzed the dynamics of fluids and electrically conducting fluids and concluded that Earth must have been magnetized either before the impact or as a result of it.
There are several theories about how Earth and its moon were formed, most involving a giant impact. Now scientists at the University of Leeds and the University of Chicago have analyzed the dynamics of fluids and electrically conducting fluids and concluded that Earth must have been magnetized either before the impact or as a result of it.
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