Envoyée le mercredi 21 avril 2010 11:50:48 par SpaceRip
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Saturn Cassini mission team members from NASA's Jet Propulsion Lab recount their observations of lightning bolts flashing in the outer regions of Saturn's atmosphere.
"The knowledge gained since 1896, in radioactivity has favoured the view to which I gave expression in that year, namely, that magnetic disturbances on the earth, and aurora borealis, are due to corpuscular rays emitted by the Sun."
— Kristian Birkeland "The Norwegian Aurora Polaris Expedition 1902-1903, Volume 1, Part 1″
we live on a giant variable capacitor: dust devils as to hurricanes, static electric as to lightning bolts
understanding physics better will help us devolop products at home and understanding astronomy will enable us to use other planets as examples for what might some day happen to earth