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Question brûlanteUn cristal trouvé sur Mars et vieux de 4,45 milliards d'années révèle que la planète rouge avait de l'eau dès ses origines
L'histoire de l'eau sur les premières années de Mars est moins certaine. Déterminer quand l'eau est apparue, où et pendant combien de temps, sont des questions brûlantes qui motivent l'exploration de Mars. Si Mars a déjà été habitable, une certaine quantité d'eau était nécessaire.
il y a 10 heures