{"id":12160,"date":"2016-05-10T19:58:53","date_gmt":"2016-05-10T17:58:53","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=12160"},"modified":"2016-05-10T19:59:49","modified_gmt":"2016-05-10T17:59:49","slug":"la-nasa-vient-de-detecter-de-loxygene-dans-latmosphere-de-mars","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-vient-de-detecter-de-loxygene-dans-latmosphere-de-mars\/","title":{"rendered":"La Nasa vient de d\u00e9tecter de l&rsquo;oxyg\u00e8ne dans l&rsquo;atmosph\u00e8re de Mars"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p style=\"text-align: justify;\">Pour la premi\u00e8re fois en 40 ans, des chercheurs de la NASA ont d\u00e9tect\u00e9 des atomes d&rsquo;oxyg\u00e8ne dans l&rsquo;atmosph\u00e8re de Mars, gr\u00e2ce \u00e0 l&rsquo;Observatoire stratosph\u00e9rique de l&rsquo; astronomie infrarouge ( SOFIA ), qui orbite \u00e0 13,7 kilom\u00e8tres de la Terre.<\/p>\n<p style=\"text-align: justify;\">Les atomes d&rsquo;un atome d&rsquo;oxyg\u00e8ne ont \u00e9t\u00e9 trouv\u00e9s dans la haute atmosph\u00e8re martienne &#8211; connue sous le nom de m\u00e9sosph\u00e8re &#8211; et la d\u00e9couverte pourrait aider les astronomes \u00e0 d\u00e9terminer comment les gaz se sont \u00e9chapp\u00e9s de la plan\u00e8te rouge depuis longtemps. Bien que ce soit super excitant pour notre compr\u00e9hension de Mars &#8211; le potentiel d&rsquo;une nouvelle Terre pour l&rsquo;humanit\u00e9 &#8211; les chercheurs ont constat\u00e9 que la moiti\u00e9 de la quantit\u00e9 de l\u00a0\u00bboxyg\u00e8ne qu&rsquo;ils attendaient, mais cela pourrait \u00eatre le r\u00e9sultat de variations atmosph\u00e9riques.<\/p>\n<p style=\"text-align: justify;\">La derni\u00e8re fois que des atomes d&rsquo;oxyg\u00e8ne ont\u00a0\u00e9t\u00e9 observ\u00e9s dans l&rsquo;atmosph\u00e8re martienne date des\u00a0missions Viking et Mariner des ann\u00e9es 1970. Alors pourquoi un tel \u00e9cart de temps ? Eh bien, il n&rsquo;y a vraiment une chose \u00e0 critiquer\u00a0: le ciel bleu de la Terre.<\/p>\n<p style=\"text-align: justify;\">\u00a0\u00bb Les atomes d&rsquo;oxyg\u00e8ne dans l&rsquo;atmosph\u00e8re martienne est notoirement difficile \u00e0 mesurer\u00bb, a d\u00e9clar\u00e9 un scientifique\u00a0du projet SOFIA , Pamela Marcum . \u00ab\u00a0Pour observer les longueurs d&rsquo;onde de l&rsquo; infrarouge lointain n\u00e9cessaires pour d\u00e9tecter l&rsquo;oxyg\u00e8ne atomique, les chercheurs doivent \u00eatre au- dessus de l&rsquo;atmosph\u00e8re Terrestre et utiliser des instruments tr\u00e8s sensibles, dans ce cas un spectrom\u00e8tre. SOFIA fournit toutes ces\u00a0capacit\u00e9s.\u00a0\u00bb<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p style=\"text-align: justify;\">L&rsquo;\u00e9quipe n&rsquo;a pas donn\u00e9 de chiffres exacts sur combien contient d&rsquo;oxyg\u00e8ne dans la m\u00e9sosph\u00e8re Martienne, ils font \u00e9tat qu&rsquo;il est\u00a0plus faible que pr\u00e9vu. Pour ces raisons, l&rsquo;\u00e9quipe continuera \u00e0 utiliser SOFIA pour \u00e9valuer d&rsquo;autres zones de la plan\u00e8te pour confirmer\u00a0ce chiffre qui ne r\u00e9sulte pas de simples variations atmosph\u00e9rique.<\/p>\n<p style=\"text-align: justify;\">En d&rsquo;autres termes, il semble que nous devons attendre\u00a0des r\u00e9sultats complets. En attendant, on se passionne de\u00a0la possibilit\u00e9 hautement sp\u00e9culative de terraformer la plan\u00e8te rouge :<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/EyneCYARs1U?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>Traduction et adaptation de<a href=\"http:\/\/www.laterredufutur.com\/accueil\/\"> la Terre du Futur<\/a><\/p>\n<p>source :\u00a0<a href=\"http:\/\/www.sciencealert.com\/a-flying-observatory-just-detected-oxygen-in-the-martian-atmosphere\" target=\"_blank\">http:\/\/www.sciencealert.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"12160\">(604)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Pour la premi\u00e8re fois en 40 ans, des chercheurs de la NASA ont d\u00e9tect\u00e9 des atomes d&rsquo;oxyg\u00e8ne dans l&rsquo;atmosph\u00e8re de&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1139,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"La Nasa vient de d\u00e9tecter de l'oxyg\u00e8ne dans l'atmosph\u00e8re de Mars @laterredufutur","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[22],"tags":[252,4265,915,123,119,286,2381,5821,2497,684],"class_list":["post-12160","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-atmosphere","tag-atome","tag-documentaire","tag-mars","tag-nasa","tag-oxygene","tag-planete-rouge","tag-sofia","tag-terraformation","tag-video","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/11\/mars6.jpg?fit=450%2C256&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3a8","jetpack-related-posts":[{"id":22404,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-oceans-de-mars-seraient-caches-sous-sa-surface\/","url_meta":{"origin":12160,"position":0},"title":"Les oc\u00e9ans de Mars seraient cach\u00e9s sous sa surface","author":"Admin","date":"19 avril 2021","format":false,"excerpt":"Les oc\u00e9ans de Mars pourraient ne pas avoir disparus dans l'espace. L'importante quantit\u00e9 d'eau des oc\u00e9ans de Mars a pu rester enfouie sous la cro\u00fbte de Mars selon une nouvelle \u00e9tude. Des travaux ant\u00e9rieurs ont r\u00e9v\u00e9l\u00e9 que Mars \u00e9tait autrefois suffisamment humide pour couvrir toute sa surface avec un oc\u00e9an\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water1.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water1.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water1.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water1.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":6475,"url":"https:\/\/www.laterredufutur.com\/accueil\/et-si-on-plantait-un-ecosysteme-sur-mars\/","url_meta":{"origin":12160,"position":1},"title":"Et si on plantait un \u00e9cosyst\u00e8me sur Mars ?","author":"Admin","date":"6 juin 2015","format":false,"excerpt":"Apprivoiser l'environnement brutal de Mars pour les futurs explorateurs humains pour survivre et prosp\u00e9rer, c'est l'id\u00e9e qu'envisage tr\u00e8s s\u00e9rieusement la NASA. Cela peut exiger\u00a0la cr\u00e9ation d'un \u00e9cosyst\u00e8me\u00a0capable de soutenir la vie, on appelle cela un\u00a0\"\u00e9copo\u00ef\u00e8se\". The NASA Innovative Advanced Concepts (NIAC) Program finance ce travail de pointe qui est men\u00e9\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/Serre-martienne.jpg?fit=995%2C536&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/Serre-martienne.jpg?fit=995%2C536&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/Serre-martienne.jpg?fit=995%2C536&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/Serre-martienne.jpg?fit=995%2C536&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":24289,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-telescope-james-webb-vient-de-prouver-quil-peut-detecter-des-signes-de-vie-dans-les-atmospheres-des-planetes-et-exoplanetes\/","url_meta":{"origin":12160,"position":2},"title":"Le t\u00e9lescope James Webb vient de prouver qu&rsquo;il peut d\u00e9tecter des signes de vie dans les atmosph\u00e8res des plan\u00e8tes et exoplan\u00e8tes","author":"Admin","date":"11 ao\u00fbt 2022","format":false,"excerpt":"Les ingr\u00e9dients de la vie sont r\u00e9partis dans l'Univers. Si la Terre est le seul endroit connu de l'Univers o\u00f9 la vie est pr\u00e9sente, la d\u00e9tection de la vie au-del\u00e0 de la Terre est un objectif majeur de l'astronomie moderne et de la science plan\u00e9taire. Nous sommes deux scientifiques \u00e0\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/08\/exoplanete-trappist.jpg?fit=1024%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/08\/exoplanete-trappist.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/08\/exoplanete-trappist.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/08\/exoplanete-trappist.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":22179,"url":"https:\/\/www.laterredufutur.com\/accueil\/leau-de-mars-est-toujours-sur-la-planete\/","url_meta":{"origin":12160,"position":3},"title":"L&rsquo;eau de Mars est toujours sur la plan\u00e8te","author":"Admin","date":"19 mars 2021","format":false,"excerpt":"Une nouvelle \u00e9tude sugg\u00e8re qu\u2019une grande partie de l\u2019eau qui semble avoir disparu de la plan\u00e8te rouge pourrait tr\u00e8s bien avoir \u00e9t\u00e9 absorb\u00e9e par sa cro\u00fbte. Lorsque l'on regarde les images du site d'atterrissage du dernier rover martien de la Nasa, Perseverance, d\u00e9crit comme un ancien lac o\u00f9 se jetait\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mars-eau-vie.jpg?fit=1024%2C533&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mars-eau-vie.jpg?fit=1024%2C533&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mars-eau-vie.jpg?fit=1024%2C533&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mars-eau-vie.jpg?fit=1024%2C533&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":9005,"url":"https:\/\/www.laterredufutur.com\/accueil\/latmosphere-de-la-comete-tchouri-contient-de-loxygene\/","url_meta":{"origin":12160,"position":4},"title":"L\u2019atmosph\u00e8re de la com\u00e8te Tchouri contient de l\u2019oxyg\u00e8ne","author":"Admin","date":"7 novembre 2015","format":false,"excerpt":"L\u2019atmosph\u00e8re de la com\u00e8te Tchouri contient de l\u2019oxyg\u00e8ne, \u00ab\u2009surprise totale\u2009\u00bb pour les scientifiques La sonde europ\u00e9enne Rosetta, qui gravite autour de la com\u00e8te, a d\u00e9couvert de l\u2019oxyg\u00e8ne en abondance. Les scientifiques sont stup\u00e9faits. La sonde europ\u00e9enne Rosetta, qui gravite autour de la com\u00e8te Tchouri, a d\u00e9couvert de l\u2019oxyg\u00e8ne en abondance\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/laterredufutur.com_photos_mission-rosetta.jpg?fit=620%2C349&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/laterredufutur.com_photos_mission-rosetta.jpg?fit=620%2C349&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/laterredufutur.com_photos_mission-rosetta.jpg?fit=620%2C349&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":24943,"url":"https:\/\/www.laterredufutur.com\/accueil\/danciennes-eruptions-massives-pourraient-avoir-fourni-lazote-necessaire-a-la-vie\/","url_meta":{"origin":12160,"position":5},"title":"D&rsquo;anciennes \u00e9ruptions massives pourraient avoir fourni l&rsquo;azote n\u00e9cessaire \u00e0 la vie","author":"Admin","date":"11 mai 2023","format":false,"excerpt":"La foudre brise l'azote pr\u00e9sent dans l'air et le fait r\u00e9agir avec l'oxyg\u00e8ne et d'autres \u00e9l\u00e9ments. Il y a des millions d'ann\u00e9es, des \u00e9ruptions volcaniques gigantesques dans ce qui est aujourd'hui la Turquie et le P\u00e9rou ont chacune d\u00e9pos\u00e9 des millions de tonnes de nitrates sur les terres adjacentes. Ce\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/foudre.jpg?fit=1024%2C683&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/foudre.jpg?fit=1024%2C683&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/foudre.jpg?fit=1024%2C683&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/foudre.jpg?fit=1024%2C683&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/12160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=12160"}],"version-history":[{"count":2,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/12160\/revisions"}],"predecessor-version":[{"id":12162,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/12160\/revisions\/12162"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/1139"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=12160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=12160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=12160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}