Image:NOK200front.png

The front of the Norwegian 200 NOK bank note shows a portrait of Kristian Birkeland against a stylized pattern of the aurora and a very large snowflake. Kristian Birkeland's terrella experiment[?], which consisted of a small, magnetized sphere representing the Earth suspended in an evacuated box, is shown on the left. When subjected to an electron beam a glow of light would appear around the magnetic poles of the terrella, simulating the aurora.

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