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Space is not Empty

Most people believe that the space between the Sun and its planets is empty, a featureless vacuum devoid of energy or matter. But space is not empty. Our Sun constantly emits plasma, a superheated state of matter which flows out toward the planets and the limits of our solar system. This artist's conception of the solar-terestrial environment was painted by Steve Mercer.

Hints of Electric Space

Most Earth-dwellers never notice the changes which occur in space beyond our atmosphere. Electric Space drops hints of its existence, such as magnetic storms caused by the Sun, which can disturb electric power networks on Earth (a damaged electric power transformer courtesy of the Electric Power Research Institute).
Next to:    Plasma, The Fourth State of Matter


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