{"id":15233,"date":"2017-05-26T20:00:56","date_gmt":"2017-05-26T18:00:56","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=15233"},"modified":"2017-05-17T07:55:48","modified_gmt":"2017-05-17T05:55:48","slug":"pour-la-premiere-fois-les-physiciens-ont-observe-un-pont-magnetique-geant-entre-les-galaxies","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/pour-la-premiere-fois-les-physiciens-ont-observe-un-pont-magnetique-geant-entre-les-galaxies\/","title":{"rendered":"Pour la premi\u00e8re fois, les physiciens ont observ\u00e9 un \u00abpont\u00bb magn\u00e9tique g\u00e9ant entre les galaxies"},"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>Pour la premi\u00e8re fois, les scientifiques ont d\u00e9tect\u00e9 des signes d&rsquo;un champ magn\u00e9tique associ\u00e9 au vaste \u00abpont\u00bb intergalactique qui relie nos deux voisins galactiques les plus proches.<\/p>\n<p>Connu sous le nom de pont de Magellanic, le pont est un \u00e9norme courant de gaz neutre qui s&rsquo;\u00e9tend sur environ 75 000 ann\u00e9es-lumi\u00e8re entre nos deux galaxies voisines, les grands et petits nuages \u200b\u200bmagellaniques (LMC et SMC). Bien que les chercheurs aient pr\u00e9dit que cela exist\u00e9, c&rsquo;est la premi\u00e8re observation de son champ magn\u00e9tique, et cela pourrait nous aider \u00e0 comprendre comment ces vastes ponts.<\/p>\n<p>\u00ab\u00a0Il y avait des indices que ce champ magn\u00e9tique pouvait exister, mais personne ne l&rsquo;avait observ\u00e9 jusqu&rsquo;\u00e0 maintenant \u00ab\u00a0, a d\u00e9clar\u00e9 Jane Kaczmarek, chercheuse principale de l&rsquo;Universit\u00e9 de Sydney .<\/p>\n<p>Nos voisins galactiques les plus proches sont respectivement de 160 000 et 200 000 ans-lumi\u00e8re de la Terre, et sont visibles dans le ciel nocturne du sud.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"12231\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/quand-la-galaxie-dandromede-percutera-notre-voie-lactee\/galaxie-andromede-voielactee\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/galaxie-andromede-voielactee.jpg?fit=660%2C281&amp;ssl=1\" data-orig-size=\"660,281\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"galaxie-andromede-voielactee\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/galaxie-andromede-voielactee.jpg?fit=660%2C281&amp;ssl=1\" class=\"size-full wp-image-12231 aligncenter\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/galaxie-andromede-voielactee.jpg?resize=660%2C281\" alt=\"\" width=\"660\" height=\"281\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/galaxie-andromede-voielactee.jpg?w=660&amp;ssl=1 660w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/galaxie-andromede-voielactee.jpg?resize=300%2C128&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/galaxie-andromede-voielactee.jpg?resize=620%2C264&amp;ssl=1 620w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p>\n<p>Les chercheurs connaissent depuis longtemps le pont de Magellanic qui existe entre ces voisins, un chemin parsem\u00e9 de&nbsp;quelques \u00e9toiles connues. Mais jusqu&rsquo;\u00e0 pr\u00e9sent, on connaissait tr\u00e8s peu le champ magn\u00e9tique associ\u00e9 au pont.<\/p>\n<p>L&rsquo;\u00e9quipe a maintenant d\u00e9montr\u00e9 que ce champ magn\u00e9tique nouvellement d\u00e9tect\u00e9 repr\u00e9sente une millioni\u00e8me de la force du bouclier magn\u00e9tique protecteur de la Terre &#8211; et cela pourrait donner un aper\u00e7u de la fa\u00e7on dont il s&rsquo;est form\u00e9.<\/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>\u00ab\u00a0Non seulement les galaxies enti\u00e8res sont magn\u00e9tiques, mais les fils fragiles qui se joignent aux galaxies sont aussi magn\u00e9tiques \u00ab\u00a0, a d\u00e9clar\u00e9 l&rsquo;un des chercheurs , Bryan Gaensler de l&rsquo;Universit\u00e9 de Toronto.<\/p>\n<p>\u00ab\u00a0Partout o\u00f9 nous regardons dans le ciel, nous trouvons le magn\u00e9tisme\u00a0\u00bb.<\/p>\n<p>\u00ab\u00a0La LMC et SMC sont nos voisins les plus proches, afin de comprendre comment ils \u00e9voluent peut nous aider \u00e0 comprendre comment notre Galaxie la Voie lact\u00e9e va \u00e9voluer. Comprendre le r\u00f4le que jouent les champs magn\u00e9tiques dans l&rsquo;\u00e9volution des galaxies et leur environnement est une question fondamentale en astronomie qui restera en attendant une r\u00e9ponse. \u00a0\u00bb<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"15237\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/pour-la-premiere-fois-les-physiciens-ont-observe-un-pont-magnetique-geant-entre-les-galaxies\/galaxie-etoiles-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/galaxie-etoiles.jpg?fit=800%2C495&amp;ssl=1\" data-orig-size=\"800,495\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"galaxie-etoiles\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/galaxie-etoiles.jpg?fit=800%2C495&amp;ssl=1\" class=\"alignnone size-full wp-image-15237\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/galaxie-etoiles.jpg?resize=800%2C495\" alt=\"\" width=\"800\" height=\"495\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/galaxie-etoiles.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/galaxie-etoiles.jpg?resize=300%2C186&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/galaxie-etoiles.jpg?resize=768%2C475&amp;ssl=1 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Encore plus cool est le fait que ce n&rsquo;est qu&rsquo;une \u00e9tude qui fait partie d&rsquo;un projet plus vaste pour cartographier le magn\u00e9tisme de l&rsquo;univers entier.<\/p>\n<p>La recherche a \u00e9t\u00e9 publi\u00e9e dans les <em><a href=\"http:\/\/dx.doi.org\/10.1093\/mnras\/stx206\">avis mensuels de la Royal Astronomical Society<\/a>,&nbsp;<\/em> et vous pouvez lire le document complet <a href=\"https:\/\/arxiv.org\/abs\/1701.05962\">gratuitement<\/a> \u00e0&nbsp; <a href=\"https:\/\/arxiv.org\/abs\/1701.05962\">arXiv.org<\/a> .<\/p>\n<p><a href=\"http:\/\/www.laterredufutur.com\/accueil\/\">R\u00e9sum\u00e9 et traduction de TDF<\/a><\/p>\n<p>source :&nbsp;<a href=\"http:\/\/www.sciencealert.com\/for-the-first-time-physicists-have-observed-the-giant-magnetic-bridget-that-connects-the-milky-way-to-other-galaxies\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.sciencealert.com<\/a><\/p>\n<p>&nbsp;<\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"15233\">(447)<\/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, les scientifiques ont d\u00e9tect\u00e9 des signes d&rsquo;un champ magn\u00e9tique associ\u00e9 au vaste \u00abpont\u00bb intergalactique qui relie&#8230;<\/p>\n","protected":false},"author":1,"featured_media":15234,"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_post_was_ever_published":false,"_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":"Pour la premi\u00e8re fois, les physiciens ont observ\u00e9 un \u00abpont\u00bb magn\u00e9tique g\u00e9ant entre les galaxies @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}},"categories":[22],"tags":[1144,125,1630,646,1656],"class_list":["post-15233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-etoiles","tag-galaxie","tag-magnetisme","tag-pont","tag-univers","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/Pour-la-premi%C3%A8re-fois-les-scientifiques-ont-d%C3%A9tect%C3%A9-des-signes-dun-champ-magn%C3%A9tique-associ%C3%A9-au-vaste-%C2%ABpont%C2%BB-intergalactique-qui-relie-nos-deux-voisins-galactiques-les-plus-proches..jpg?fit=1024%2C415&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3XH","jetpack-related-posts":[{"id":23182,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-terre-pourrait-etre-entouree-dun-tunnel-magnetique-geant\/","url_meta":{"origin":15233,"position":0},"title":"La Terre pourrait \u00eatre entour\u00e9e d&rsquo;un tunnel magn\u00e9tique g\u00e9ant","author":"Admin","date":"17 octobre 2021","format":false,"excerpt":"Des structures myst\u00e9rieuses dans le ciel ont intrigu\u00e9 les astronomes pendant des d\u00e9cennies et pourraient enfin avoir une explication. L'\u00e9peron polaire nord et la r\u00e9gion de l'\u00e9ventail, situ\u00e9s de part et d'autre du ciel, pourraient \u00eatre reli\u00e9s par un vaste syst\u00e8me de filaments magn\u00e9tis\u00e9s. Ceux-ci forment une structure ressemblant \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\/2021\/10\/tunnel-magnetique-espace.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\/2021\/10\/tunnel-magnetique-espace.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/10\/tunnel-magnetique-espace.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/10\/tunnel-magnetique-espace.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":24961,"url":"https:\/\/www.laterredufutur.com\/accueil\/de-nouveaux-gros-plans-de-notre-etoile-toujours-plus-eblouissants\/","url_meta":{"origin":15233,"position":1},"title":"De nouveaux gros plans de notre \u00e9toile toujours plus \u00ab\u00a0\u00e9blouissants\u00a0\u00bb","author":"Admin","date":"22 mai 2023","format":false,"excerpt":"Le t\u00e9lescope solaire le plus grand et le plus puissant de la plan\u00e8te vient de nous offrir de nouvelles vues \u00e9poustouflantes de la surface du Soleil. Dans une s\u00e9rie de nouvelles images, les observations du t\u00e9lescope solaire Daniel K. Inouye r\u00e9v\u00e8lent les d\u00e9tails complexes des r\u00e9gions de taches solaires, les\u2026","rel":"","context":"Dans &quot;Soleil&quot;","block_context":{"text":"Soleil","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/soleil\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/05\/Detail-dun-pont-de-lumiere-enjambant-une-tache-solaire.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\/2023\/05\/Detail-dun-pont-de-lumiere-enjambant-une-tache-solaire.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/05\/Detail-dun-pont-de-lumiere-enjambant-une-tache-solaire.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/05\/Detail-dun-pont-de-lumiere-enjambant-une-tache-solaire.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":26514,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-observe-une-vaste-anomalie-en-croissance-dans-le-champ-magnetique-terrestre\/","url_meta":{"origin":15233,"position":2},"title":"La NASA observe une vaste anomalie en croissance dans le champ magn\u00e9tique terrestre","author":"Admin","date":"8 janvier 2025","format":false,"excerpt":"La NASA surveille une \u00e9trange anomalie dans le champ magn\u00e9tique terrestre : une gigantesque r\u00e9gion de faible intensit\u00e9 magn\u00e9tique dans le ciel de la plan\u00e8te, qui s'\u00e9tend entre l'Am\u00e9rique du Sud et le sud-ouest de l'Afrique. Ce vaste ph\u00e9nom\u00e8ne en d\u00e9veloppement, appel\u00e9 anomalie de l'Atlantique Sud, intrigue et pr\u00e9occupe les\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/01\/anomalie-geomagnetique-ocean-atlanque-sud.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\/2025\/01\/anomalie-geomagnetique-ocean-atlanque-sud.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/01\/anomalie-geomagnetique-ocean-atlanque-sud.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/01\/anomalie-geomagnetique-ocean-atlanque-sud.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":21966,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-champ-magnetique-terrestre-se-comporte-anormalement-au-dessus-de-lamerique-du-sud\/","url_meta":{"origin":15233,"position":3},"title":"Le champ magn\u00e9tique terrestre se comporte anormalement au dessus de l&rsquo;Am\u00e9rique du Sud","author":"Admin","date":"11 f\u00e9vrier 2021","format":false,"excerpt":"L\u2019anomalie de l\u2019Atlantique Sud a eu raison du satellite Hitomi. En 2016, une \u00e9quipe d\u2019ing\u00e9nieurs a\u00e9rospatiaux japonais ont lanc\u00e9 le satellite Hitomi. Malheureusement, cinq semaines plus tard, ce dernier est devenu totalement incontr\u00f4lable pour une raison incompr\u00e9hensible. La mission du satellite Hitomi consistait \u00e0 observer des trous noirs, des amas\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/anomalie-du-champ-magnetique-terre.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/anomalie-du-champ-magnetique-terre.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/anomalie-du-champ-magnetique-terre.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/anomalie-du-champ-magnetique-terre.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/anomalie-du-champ-magnetique-terre.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":5459,"url":"https:\/\/www.laterredufutur.com\/accueil\/betelgeuse-une-supergeante-bouillonnante-et-magnetique\/","url_meta":{"origin":15233,"position":4},"title":"B\u00e9telgeuse, une superg\u00e9ante bouillonnante et magn\u00e9tique !","author":"Admin","date":"14 juillet 2010","format":false,"excerpt":"Un champ magn\u00e9tique \u00e0 la surface de l'\u00e9toile superg\u00e9ante B\u00e9telgeuse, c'est ce qu'a d\u00e9tect\u00e9 une \u00e9quipe internationale d'astrophysiciens[1], dirig\u00e9e par des chercheurs du Laboratoire d'Astrophysique de Toulouse-Tarbes (LATT ; CNRS, Universit\u00e9 Paul Sabatier, Observatoire Midi-Pyr\u00e9n\u00e9es\/INSU). Cette observation, publi\u00e9e dans la revue Astronomy & Astrophysics, d\u00e9montre que, malgr\u00e9 les mod\u00e8les th\u00e9oriques\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\/04\/betelgeuse.jpg?fit=622%2C580&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/betelgeuse.jpg?fit=622%2C580&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/betelgeuse.jpg?fit=622%2C580&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":8136,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-ocean-plus-vaste-que-ceux-de-la-terre-sur-ganymede-une-lune-de-jupiter\/","url_meta":{"origin":15233,"position":5},"title":"Un oc\u00e9an plus vaste que ceux de la Terre sur Ganym\u00e8de, une lune de Jupiter","author":"Admin","date":"20 septembre 2015","format":false,"excerpt":"Des donn\u00e9es recueillies par Hubble attestent l'existence, sous la cro\u00fbte de Ganym\u00e8de, d'un oc\u00e9an d'eau sal\u00e9e profond de cent kilom\u00e8tres. Une d\u00e9couverte qui renforce la probabilit\u00e9 d'une vie extraterrestre. Dans l'espace, un oc\u00e9an d'eau sal\u00e9e plus vaste que tous ceux de la Terre r\u00e9unis. 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