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Magnetic Shell

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magnetic shell [mag′ned·ik ′shel]
(electromagnetism)
Two layers of magnetic charge of opposite sign, separated by an infinitesimal distance.
Magnetic Shell 

an infinitely thin double magnetic layer formed by magnetic dipoles. Under certain conditions the magnetic field of a magnetic shell is equivalent to the field of a direct current flowing along the contour of a shell. The equivalence between a magnetic shell and a closed linear current is used in electrotechnical calculations.
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Earth's magnetic field produces a magnetic shell called the magnetosphere which deflects charged particles in the solar wind.
Sun shield to let space crews boldly go to Mars by guardian.co.uk / guardian.co.uk
The magnetic shell density is narrower and weaker than the nuclear shell density.
SUSANS with polarized neutrons by Treimer, Wolfgang / Journal of Research of the National Institute of Standards and Technology
A shock wave generated by the storm rammed into the magnetic shell that surrounds Earth, giving enough of a kick to gas trapped in the ionosphere, a layer of the upper atmosphere, to expel several hundred tons of gas, mainly oxygen.
Sun storm squeezes Earth's ionosphere by R.C. / Science News
 
 
 
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