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Alfvén in 1942
Alfvén in 1942
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Lightning as an example of plasma present at Earth's surface: Typically, lightning discharges 30 kiloamperes at up to 100 megavolts, and emits radio w
Lightning as an example of plasma present at Earth's surface: Typically, lightning discharges 30 kiloamperes at up to 100 megavolts, and emits radio waves, light, X- and even gamma rays. Plasma temperatures can approach 30000 K and electron densities may exceed 1024 m−3.
Artificial plasma produced in air by a Jacob's Ladder
Artificial plasma produced in air by a Jacob's Ladder
Hall-effect thruster
Hall-effect thruster
Plasma spraying
Plasma spraying