A vast and evolving anomaly in Earth’s magnetic field, situated above South America and the southern Atlantic Ocean, ...

Modern four-spacecraft volumetric measurements are enabling the measurement of the gradients, divergences and curls of the vector fields.Demanded by ... the geometry of magnetic field structures, the ...

It looked still to you before because you were moving with it. We have this same problem with electric and magnetic fields. Depending on your reference frame, what appears to be a magnetic force ...