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Dansk ordbog. 2015.
Dansk ordbog. 2015.
Electrical phenomena — are commonplace and unusual events that can be observed which illuminate the principles of the physics of electricity and are explained by them.Electrical phenomena are a somewhat arbitrary division of electromagnetic phenomena.Some examples… … Wikipedia
Auroral chorus — An auroral chorus is a series of random chirps, whistles, and quasi musical sounds created by the electromagnetic effects of auroras in very low broadcast frequencies. It is presumed that the same effects can be created by the auroras of Jupiter… … Wikipedia