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magnetosonic wave

(magnetoacoustic wave)
(a type of sonic wave in a plasma)

A magnetosonic wave (or magnetoacoustic wave) is a longitudinal "acoustic" wave in a magnetized plasma propagating perpendicular to the magnetic field. It is one of a number of kinds of waves in plasma involving electromagnetic forces.


(physics,magnetism,plasma,wave)
http://en.wikipedia.org/wiki/Magnetosonic_wave

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