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Science10 novembre 2014
© Capture d'écran BFM TVRarissime
Siding Spring : en frôlant Mars, la comète aurait changé la composition chimique de son atmosphère
"Nous pensons que ce type d'événement se produit une fois tous les 8 millions d'années", a déclaré Jim Green, directeur de la division science planétaire de la Nasa.
