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Les Aurores Bor ales

Depuis que le monde est monde, les aurores polaires font partie intgrante de notre plante Terre. Elles ne dpendent aucunement de l'activit humaine, mais plutt de celle du Soleil et du champ magntique terrestre! L'aurore n'est pas, tel qu'on l'a cru pendant longtemps (jusqu' il y a 70 ans),

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Les Aurores Bor ales

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