{"id":27701,"date":"2026-02-13T12:00:24","date_gmt":"2026-02-13T11:00:24","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=27701"},"modified":"2026-02-11T09:15:18","modified_gmt":"2026-02-11T08:15:18","slug":"une-anomalie-magnetique-bizarre-sous-laustralie-a-une-forme-etonnamment-familiere","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/une-anomalie-magnetique-bizarre-sous-laustralie-a-une-forme-etonnamment-familiere\/","title":{"rendered":"Une anomalie magn\u00e9tique bizarre sous l&rsquo;Australie a une forme \u00e9tonnamment famili\u00e8re"},"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>Des g\u00e9ologues ont cartographi\u00e9 une \u00e9trange anomalie magn\u00e9tique en Australie. Par une co\u00efncidence \u00e9tonnante, celle-ci ressemble \u00e9trangement au continent sous lequel elle se cache.<\/p>\n<p>L&rsquo;anomalie semble pr\u00e9senter sa propre version de la pointe nord du Queensland, atteint sa section la plus large au milieu et comporte deux pointes s&rsquo;\u00e9tendant vers le bas sur les c\u00f4t\u00e9s est et ouest, rappelant \u00e9trangement la forme unique de l&rsquo;Australie.<\/p>\n<p>L&rsquo;anomalie elle-m\u00eame est situ\u00e9e dans le Territoire du Nord australien et a \u00e9t\u00e9 mise en \u00e9vidence lors d&rsquo;une \u00e9tude a\u00e9romagn\u00e9tique men\u00e9e par le gouvernement. De petits avions \u00e9quip\u00e9s de magn\u00e9tom\u00e8tres ont survol\u00e9 le territoire \u00e0 intervalles r\u00e9guliers de 400 m\u00e8tres.<\/p>\n<p>Ces donn\u00e9es r\u00e9v\u00e8lent la m\u00e9moire magn\u00e9tique, ou magn\u00e9tisation r\u00e9manente, des roches sous la surface. En substance, lorsque les roches se forment, les min\u00e9raux magn\u00e9tiques qu&rsquo;elles contiennent se \u00ab verrouillent \u00bb dans la direction vers laquelle ils pointent \u00e0 ce moment-l\u00e0, align\u00e9s avec le champ magn\u00e9tique terrestre.<\/p>\n<p>Au fil des millions et des milliards d&rsquo;ann\u00e9es, le champ magn\u00e9tique change naturellement, \u00e0 mesure que les p\u00f4les d\u00e9rivent et m\u00eame s&rsquo;inversent compl\u00e8tement. Mais les roches conservent une trace de cette histoire, et en mesurant de minuscules variations \u00e0 diff\u00e9rents endroits, les g\u00e9ologues peuvent voir comment le champ magn\u00e9tique et la g\u00e9ologie ont \u00e9volu\u00e9 au cours des temps g\u00e9ologiques.<\/p>\n<p>\u00ab Les donn\u00e9es magn\u00e9tiques nous permettent de voir \u00e0 travers le sol et de comprendre l&rsquo;architecture g\u00e9ologique qui, autrement, resterait compl\u00e8tement cach\u00e9e \u00bb, explique Clive Foss, g\u00e9oscientifique \u00e0 l&rsquo;agence scientifique gouvernementale australienne CSIRO.<\/p>\n<p>\u00ab La position tectonique changeante de l&rsquo;Australie, combin\u00e9e aux inversions p\u00e9riodiques du champ magn\u00e9tique terrestre, signifie que la magn\u00e9tisation r\u00e9manente pointe souvent dans des directions inattendues, ce qui n\u00e9cessite l&rsquo;interpr\u00e9tation d&rsquo;experts. \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>Dans ce cas, l&rsquo;anomalie magn\u00e9tique dite \u00ab australienne \u00bb provient de roches form\u00e9es \u00e0 la suite d&rsquo;\u00e9ruptions volcaniques il y a plus de 1,5 milliard d&rsquo;ann\u00e9es. Ces couches sont entrecoup\u00e9es de gr\u00e8s provenant de mers peu profondes et de deltas fluviaux, et les forces g\u00e9ologiques ont depuis pliss\u00e9 et \u00e9cras\u00e9 l&rsquo;ensemble de la structure pour lui donner une forme qui ressemble \u00e0 celle du continent \u00e9ponyme.<\/p>\n<p>La nouvelle carte est la plus claire \u00e0 ce jour, permettant aux g\u00e9ologues de voir plus pr\u00e9cis\u00e9ment les caract\u00e9ristiques du paysage magn\u00e9tique souterrain.<\/p>\n<p>\u00ab Mon coll\u00e8gue, le Dr Aaron Davis, a cr\u00e9\u00e9 un algorithme de maillage innovant qui a affin\u00e9 l&rsquo;ensemble de donn\u00e9es et produit des images plus nettes et plus coh\u00e9rentes \u00bb, explique M. Foss.<\/p>\n<p>\u00ab En am\u00e9liorant la fa\u00e7on dont nous traitons et mod\u00e9lisons ces ensembles de donn\u00e9es, nous pouvons extraire plus d&rsquo;informations g\u00e9ologiques que jamais auparavant. \u00bb<\/p>\n<p>Les donn\u00e9es sont disponibles dans une base de donn\u00e9es en libre acc\u00e8s g\u00e9r\u00e9e par Geoscience Australia, afin que les scientifiques puissent les \u00e9tudier librement et, potentiellement, identifier de nouveaux gisements min\u00e9raux pr\u00e9cieux.<\/p>\n<figure id=\"attachment_27702\" aria-describedby=\"caption-attachment-27702\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"27702\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/une-anomalie-magnetique-bizarre-sous-laustralie-a-une-forme-etonnamment-familiere\/anomalie-magnetique-australie\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?fit=1200%2C675&amp;ssl=1\" data-orig-size=\"1200,675\" 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;1&quot;}\" data-image-title=\"anomalie magn\u00e9tique australie\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;L&amp;rsquo;anomalie magn\u00e9tique, qui ressemble \u00e9trangement au continent australien. (CSIRO)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?fit=300%2C169&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?fit=800%2C450&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?resize=1200%2C675&#038;ssl=1\" alt=\"\" width=\"1200\" height=\"675\" class=\"size-full wp-image-27702\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?resize=800%2C450&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?resize=580%2C326&amp;ssl=1 580w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?resize=174%2C98&amp;ssl=1 174w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-27702\" class=\"wp-caption-text\">L&rsquo;anomalie magn\u00e9tique, qui ressemble \u00e9trangement au continent australien. (CSIRO)<\/figcaption><\/figure>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">Terra Projects<\/a><\/p>\n<p>Source : <a href=\"https:\/\/www.sciencealert.com\/bizarre-magnetic-anomaly-beneath-australia-has-a-surprisingly-familiar-shape\" target=\"_blank\">https:\/\/www.sciencealert.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"27701\">(116)<\/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>Des g\u00e9ologues ont cartographi\u00e9 une \u00e9trange anomalie magn\u00e9tique en Australie. Par une co\u00efncidence \u00e9tonnante, celle-ci ressemble \u00e9trangement au continent sous&#8230;<\/p>\n","protected":false},"author":1,"featured_media":27702,"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":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[31],"tags":[239,221,114,2544,2563],"class_list":["post-27701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","tag-anomalie","tag-australie","tag-geologie","tag-magnetique","tag-profondeur","wpcat-31-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/anomalie-magnetique-australie.jpg?fit=1200%2C675&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-7cN","jetpack-related-posts":[{"id":24814,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-surveille-une-enorme-anomalie-croissante-dans-le-champ-magnetique-terrestre\/","url_meta":{"origin":27701,"position":0},"title":"La NASA surveille une \u00e9norme anomalie croissante dans le champ magn\u00e9tique terrestre","author":"Admin","date":"25 mars 2023","format":false,"excerpt":"La NASA surveille activement une \u00e9trange anomalie du 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\/2023\/03\/anomalie-magnetique-geante-terre.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\/03\/anomalie-magnetique-geante-terre.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/03\/anomalie-magnetique-geante-terre.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/03\/anomalie-magnetique-geante-terre.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":27701,"position":1},"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":27701,"position":2},"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":20933,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-champ-magnetique-terrestre-saffaiblit-progressivement-dans-une-zone-allant-de-lafrique-a-lamerique-du-sud\/","url_meta":{"origin":27701,"position":3},"title":"Le champ magn\u00e9tique terrestre s&rsquo;affaiblit progressivement dans une zone allant de l&rsquo;Afrique \u00e0 l&rsquo;Am\u00e9rique du Sud","author":"Admin","date":"22 juin 2020","format":false,"excerpt":"Le champ magn\u00e9tique terrestre s'affaiblit progressivement dans une zone qui s'\u00e9tend de l'Afrique \u00e0 l'Am\u00e9rique du Sud, et des scientifiques tentent de comprendre le pourquoi. Cet affaiblissement provoque \u00e9galement des perturbations techniques dans certains satellites en orbite autour de la Terre. Les scientifiques utilisent les donn\u00e9es de la constellation Swarm\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\/2020\/05\/champ-magnetique.jpg?fit=640%2C320&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/champ-magnetique.jpg?fit=640%2C320&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/champ-magnetique.jpg?fit=640%2C320&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":17338,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-mysterieuse-anomalie-sous-lafrique-affaiblit-le-champ-magnetique-terrestre\/","url_meta":{"origin":27701,"position":4},"title":"Une myst\u00e9rieuse anomalie sous l&rsquo;Afrique affaiblit le champ magn\u00e9tique terrestre","author":"Admin","date":"6 janvier 2019","format":false,"excerpt":"Le champ magn\u00e9tique terrestre est dans un \u00e9tat d'affaiblissement tout \u00e0 fait \u00e9tonnant - et selon des recherches ahurissantes men\u00e9es au d\u00e9but de cette ann\u00e9e, cette perturbation ph\u00e9nom\u00e9nale fait partie d'un sch\u00e9ma qui dure depuis plus de 1 000 ans. Le champ magn\u00e9tique terrestre ne nous donne pas seulement nos\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\/2018\/12\/changement-magnetique-afrique-1.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\/2018\/12\/changement-magnetique-afrique-1.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/changement-magnetique-afrique-1.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/changement-magnetique-afrique-1.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":24635,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-pole-nord-magnetique-se-deplace-toujours-plus-vite\/","url_meta":{"origin":27701,"position":5},"title":"Le p\u00f4le nord magn\u00e9tique se d\u00e9place toujours plus vite","author":"Admin","date":"4 janvier 2023","format":false,"excerpt":"Le p\u00f4le nord magn\u00e9tique est un point de l'h\u00e9misph\u00e8re Nord de la Terre o\u00f9 le champ magn\u00e9tique de la plan\u00e8te converge. Depuis les ann\u00e9es 1830, les scientifiques ont observ\u00e9 que le p\u00f4le nord magn\u00e9tique se d\u00e9place \u00e0 travers l'h\u00e9misph\u00e8re nord, du Canada vers la Sib\u00e9rie. La vitesse de d\u00e9placement du\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\/07\/champ-magnetique-terre.jpg?fit=1024%2C777&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/champ-magnetique-terre.jpg?fit=1024%2C777&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/champ-magnetique-terre.jpg?fit=1024%2C777&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/champ-magnetique-terre.jpg?fit=1024%2C777&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/27701","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=27701"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/27701\/revisions"}],"predecessor-version":[{"id":27703,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/27701\/revisions\/27703"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/27702"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=27701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=27701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=27701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}