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Cr\u00e9dits : PAVER consortium \/ LIQUIFER Systems Group<\/figcaption><\/figure>\n

Il va s'en passer des choses sur la Lune. D'ici 2040, la NASA veut installer une base sur le satellite de la Terre<\/a> et cela n\u00e9cessite une logistique \u00e0 toute \u00e9preuve. Entre l'alimentation en \u00e9lectricit\u00e9 des installations avec des graines nucl\u00e9aires<\/a> ou l'\u00e9levage de poissons pour nourrir les \u00e9quipes sur place<\/a>, les scientifiques ont de quoi faire pour pr\u00e9parer les missions. Un ennemi naturel omnipr\u00e9sent<\/strong> sur la Lune pourrait bien perturber la f\u00eate cependant : la poussi\u00e8re<\/strong>. Extr\u00eamement fine, abrasive et collante, elle s'insinue partout, fait surchauffer les appareils et \u00e9rode m\u00eame les combinaisons spatiales.<\/p>\n

Lire aussi – La NASA veut exploiter les ressources de la Lune d\u2019ici 2032<\/a><\/strong><\/p>\n

Les personnes sur place vont plus souvent rouler que marcher, elles vont donc d\u00e9placer beaucoup de r\u00e9golithe<\/strong>, l'autre nom de la poussi\u00e8re lunaire. Afin d'y rem\u00e9dier, il faut faire comme sur Terre : fabriquer des routes. Pour cela, des scientifiques allemands et autrichiens ont eu une id\u00e9e simple et tr\u00e8s efficace, cr\u00e9er des pav\u00e9s en chauffant directement la poussi\u00e8re lunaire pr\u00e9sente au sol<\/strong>. En guide de test du concept, ils utilisent du r\u00e9golithe artificiel<\/strong> et un laser dont le rayon fait 4,5 cm de diam\u00e8tre. R\u00e9sultat : la poussi\u00e8re finie par fondre et cr\u00e9\u00e9e un pav\u00e9 triangulaire d'environ 20 cm de c\u00f4t\u00e9 pour 1,8 cm d'\u00e9paisseur.<\/p>\n

\"Un
Un pav\u00e9 cr\u00e9\u00e9 en chauffant de la poussi\u00e8re de Lune avec un laser \/ Cr\u00e9dits : PAVER Consortium<\/figcaption><\/figure>\n