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Old 02-20-2010, 03:44 PM   #6
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Default Re: Aurora Spirals in Norway & Finland 18th February

supurb pictures

Universal Vortical Singularity enlightenment on aurora

Based on unisonal vortex mechanism, the phenomenon of polar aurora is caused by polar vortex of thermosphere; its magnetohydrodynamics (MHD) dynamo effect results the rarefied atmospheric particles in the vortex column to be ionized, electrically charged and vortically forms as glowing plasma on the wall of vortex column. A MHD dynamo has three requirements: a conducting viscous matter, rotation, and convection.

The phenomena of large electric currents and magnetic storm are also caused by the MHD dynamo effect of a spinning vortex wall that charges atomic particles in the atmosphere. These electric currents energized the electrons of atom that causes ionization. The two luminous colors of excited atomic oxygen on most polar aurora is a greenish glow at a wavelength of 557.7 nm, and the dark-red glow at a wavelength of 630.0 nm.

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