Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.
Electric and magnetic ... electric field at which corona discharge can occur. Any defect on the surface of a conductor that disrupts smoothness greatly increases the intensity of the electric field, ...
Oct. 3, 2024 — For the first time, scientists have taken near-daily measurements of the Sun's global coronal magnetic field, a region of the Sun that has only been observed irregularly in the past.