Written on 27 juil, 2010 at 16:00 in
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Nous avons l'habitude de voir le Soleil comme constant, quelque chose de fiable qui va toujours se lever le matin et se coucher le soir, à des moments bien prévisibles. Il s'agit en fait d'un réacteur nucléaire gigantesque, sa surface d'une turbulence inimaginable émet des tempêtes solaires et envoie de fortes vagues de radiation en direction de la Terre. Des tâches solaires font irruption et son champ magnétique s'étend à travers le système solaire. Le Soleil est tellement immense qu'un million de planètes comme la nôtre pourraient tenir à l'intérieur. Ce documentaire fait le point sur nos connaissances concernant le Soleil et l'influence qu'il a sur chaque aspect de la vie sur Terre.
Written on 7 mai, 2009 at 4:29 in
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Written on 28 avr, 2009 at 16:05 in
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Written on 21 avr, 2009 at 5:34 in
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Written on 8 avr, 2009 at 4:37 in
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Written on 25 fév, 2009 at 2:44 in
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Written on 23 fév, 2009 at 5:58 in
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Written on 21 fév, 2009 at 10:16 in
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Written on 21 fév, 2009 at 9:59 in
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Written on 20 fév, 2009 at 20:48 in
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