Gilbert founded modern geomagnetism around 1600. Geographical designations like equator, meridian, parallel and pole receive a new, geomagnetic definition. His model of the Earth, the Terrella (little Earth), is a spherical magnet.
Gilbert founded modern geomagnetism around 1600. Geographical designations like equator, meridian, parallel and pole receive a new, geomagnetic definition. His model of the Earth, the Terrella (little Earth), is a spherical magnet.