Concept information
Preferred term
geomagnetic field
Definition
- Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from Earth's interior out into space, where it interacts with the solar wind, a stream of charged particles emanating from the Sun. The magnetic field is generated by electric currents due to the motion of convection currents of a mixture of molten iron and nickel in Earth's outer core: these convection currents are caused by heat escaping from the core, a natural process called a geodynamo. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Earth%27s_magnetic_field)
Broader concept
Narrower concepts
Entry terms
- terrestrial magnetic field
In other languages
-
French
-
champ magnétique terrestre
URI
http://data.loterre.fr/ark:/67375/MDL-W9X00GV7-1
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