{"id":735718,"date":"2019-10-26T05:32:44","date_gmt":"2019-10-26T03:32:44","guid":{"rendered":"https:\/\/www.tomsguide.fr\/?p=735718"},"modified":"2023-12-06T19:04:18","modified_gmt":"2023-12-06T18:04:18","slug":"la-nasa-espere-trouver-de-la-glace-au-pole-sud-de-la-lune","status":"publish","type":"post","link":"https:\/\/www.tomsguide.fr\/la-nasa-espere-trouver-de-la-glace-au-pole-sud-de-la-lune\/","title":{"rendered":"La NASA esp\u00e8re trouver de la glace au p\u00f4le Sud de la Lune"},"content":{"rendered":"\n
\"Image<\/figure>\n\n\n\n

Cette semaine est riche en annonces pour la NASA<\/strong>. Cette fois, ce n\u2019est pas Mars qui est au centre des discussions, qu’une femme pourrait \u00eatre la premi\u00e8re \u00e0 fouler<\/a>, mais notre bonne vieille Lune<\/strong> et les projets de l\u2019agence spatiale am\u00e9ricaine d\u2019y chercher de la glace.<\/strong><\/p>\n\n\n\n

VIPER explorera le p\u00f4le Sud de la Lune \u00e0 la recherche de glace<\/h2>\n\n\n\n

La pr\u00e9sence de glace<\/strong> sur la Lune serait clef <\/strong>pour sa colonisation, ou m\u00eame simplement son exploration. Bien s\u00fbr, il faut qu\u2019elle reste relativement facilement exploitable. Comme le d\u00e9clare Jim Bridenstine, administrateur de la NASA : \u00ab\u2009L\u2019eau est quelque chose d\u2019important, un support de vie<\/strong>. La glace est de l\u2019oxyg\u00e8ne que l\u2019on peut respirer<\/strong>, de l\u2019eau qu\u2019on peut boire\u2009<\/strong>\u00bb. Il ajoute : \u00ab\u2009Si on la casse, l\u2019hydrog\u00e8ne et l\u2019oxyg\u00e8ne sont les carburants <\/strong>qui propulsent la navette spatiale, les m\u00eames que la fus\u00e9e SLS\u2009\u00bb. SLS pour Space Launch System est la fus\u00e9e qui enverra les astronautes sur la Lune en 2024.<\/p>\n\n\n\n

La glace, et donc l’eau, que veut \u00e9tudier l’agence spatiale est au p\u00f4le Sud de la Lune. Elle pourrait avoir des milliards d’ann\u00e9es. Pour s\u2019y rendre et l\u2019explorer, la NASA compte sur un rover qu\u2019elle a nomm\u00e9 VIPER <\/strong>pour \u00ab\u2009Volatiles Investigating Polar Exploration Rover\u2009\u00bb ou \u00ab\u2009Rover d\u2019exploration polaire de recherche de compos\u00e9s volatiles\u2009\u00bb. Il s\u2019agit d\u2019un v\u00e9hicule autonome<\/strong> de la taille d\u2019une voiturette de golf qui embarquera une perceuse<\/strong> capable de creuser \u00e0 un m\u00e8tre de profondeur et 3 spectrom\u00e8tres<\/strong> qui analyseront ce qui aura \u00e9t\u00e9 extrait. VIPER sera donc capable d\u2019\u00e9tablir une carte de la glace emprisonn\u00e9e<\/strong> sous la surface lunaire.<\/p>\n\n\n\n

Bien s\u00fbr, ce rover sera adapt\u00e9 aux conditions particuli\u00e8res du p\u00f4le Sud de la Lune. Ainsi, son autonomie est pr\u00e9vue pour 96 heures de nuit<\/strong>, ce qui est suffisant puisque le p\u00f4le sur ne subit pas les cycles de 2 semaines extr\u00eamement froids et sans soleil qui ont cours dans les zones plus proches de l\u2019\u00e9quateur. La dur\u00e9e de vie est donn\u00e9e pour une centaine de jours<\/strong>. Son lancement est pr\u00e9vu pour d\u00e9cembre 2022 et utilisera un lanceur commercial. SpaceX, avec sa fus\u00e9e Starhopper, et autres sont donc probablement d\u00e9j\u00e0 en train de travailler sur leur devis, le projet \u00e9tant estim\u00e9 \u00e0 250 millions de dollars<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"

La NASA vient d\u2019annoncer ses projets d\u2019exploration du p\u00f4le Sud de la Lune pour y chercher de la glace. Pour cela, elle mise sur un nouveau rover nomm\u00e9 VIPER dont le but sera de creuser\u2026<\/p>","protected":false},"author":86,"featured_media":735719,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[494,3872],"tags":[],"hubs":[],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_source":"","hide_sidebar":false,"hide_advertising":false},"yoast_head":"\nLa NASA esp\u00e8re trouver de la glace au p\u00f4le Sud de la Lune<\/title>\n<meta name=\"description\" content=\"La NASA vient d\u2019annoncer ses projets d\u2019exploration du p\u00f4le Sud de la Lune pour y chercher de la glace. 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