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La Terra, un pianeta magnetico
 
3 Febbraio 2005

Many different magnetic sources contribute to the overall magnetosphere. Remove more dominant fields, and weaker magnetic sources are revealed. The slideshow above is a set of five images of the globe with magnetic fields at increasing amplification. In order of presentation they are the Core (1x); Magnetosphere (1000x); Ionosphere (2000x); Crust (6000x); Ocean flow (30 000x).

Credits: Danish National Space Center
 
 
Earth's magnetic field is buffeted by solar wind
 

Credits: ESA
 
 
Solar wind buffets Earth's magnetic field
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A wind of particles from the Sun called the solar wind buffets the blue funnel-shaped magnetosphere around the Earth.

Credits: ESA
 
 
Swarm constellation
Swarm is a constellation of three satellites. Two of them will fly at an initial altitude of 450 km, with the third at 550 km. This Earth Explorer mission should provide highly detailed visualisations of the Earth's magnetic field.
 
 
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