Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected. Deep beneath our feet, a restless ocean of molten metal helps keep Earth livable. The planet’s magnetic field forms as liquid iron and nickel circulate through the outer core, generating electric currents that create a global […]Earth,Earth Science,Geology,Geophysics,Magnetic Fields,Magnetism,University of Utah#Earths #Magnetic #Field #Astonishing #Wild #Side #Scientists #Missed1770530478
