geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… … Universalium
Birkeland current — Schmatic of the Birkeland or Field Aligned Currents and the ionospheric current systems they connect to.[1] A Birkeland current is a set of currents which flow along geomagnetic field line connecting the Earth’s magnetosphere to the Earth s hi … Wikipedia
Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… … Wikipedia
Heliospheric current sheet — The heliospheric current sheet (HCS) is the surface within the Solar System where the polarity of the Sun s magnetic field changes from north to south. This field extends throughout the Sun s equatorial plane in the heliosphere. [ [http://science … Wikipedia
Magnetic field of celestial bodies — See also Earth s magnetic field The magnetic field of a rotating body of conductive gas or liquid develops self amplifying electric currents, and thus a self generated magnetic field, due to a combination of differential rotation (different… … Wikipedia
Scalar field theory (pseudoscience) — For the quantum mechanical scalar field theory which is a field theory of spinless particles, see Scalar field theory Scalar field theory (SFT) is a set of theories in a model which posits that there is a basic mechanism that produces the… … Wikipedia
Twisted nematic field effect — The twisted nematic effect ( TN effect ) in liquid crystals is claimed to be first discovered by James Fergason in 1970 at the International Liquid Xtal Company in Kent Ohio. Fergason patented his work at about the same time that the Central… … Wikipedia
RAF Andrews Field — Infobox Military Structure name= Royal Air Force Station Andrews Field Royal Air Force Station Great Saling USAAF Station 485 location= Located Near Braintree, Essex, England coordinates=coord|51|53|53|N|000|27|18|E| caption= Andrews Field… … Wikipedia
Cluster (spacecraft) — Cluster Operator European Space Agency in international collaboration with NASA Major contractors Dornier GmbH (now part of EADS) Mission type Orbiter Satellite of Earth … Wikipedia
Corriente de Birkeland — Saltar a navegación, búsqueda La aurora de Júpiter, alimentada por corrientes de Jovian Birkeland[1] Una corriente de Birkeland es una corriente eléctri … Wikipedia Español
Naoshi Fukushima — (福島 直, Fukushima Naoshi?, January 19, 1925 June 25, 2003) was a Japanese physicist specializing in the near Earth space environment. He served as Secretary General of the International Association of Geomagnetism and Aeronomy from 1975 to 1983.… … Wikipedia