{"id":26490,"date":"2024-12-24T12:00:25","date_gmt":"2024-12-24T11:00:25","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=26490"},"modified":"2024-12-20T09:15:04","modified_gmt":"2024-12-20T08:15:04","slug":"le-pole-nord-magnetique-a-officiellement-change-de-position","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/le-pole-nord-magnetique-a-officiellement-change-de-position\/","title":{"rendered":"Le p\u00f4le Nord magn\u00e9tique a officiellement chang\u00e9 de position"},"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>Il est temps de recalibrer les syst\u00e8mes de navigation des navires, des avions et (vu la p\u00e9riode de l&rsquo;ann\u00e9e) du tra\u00eeneau du P\u00e8re No\u00ebl : la position du p\u00f4le Nord magn\u00e9tique est officiellement modifi\u00e9e, poursuivant son d\u00e9placement du Canada vers la Sib\u00e9rie.<\/p>\n<p>Des experts de la National Oceanic and Atmospheric Administration (NOAA) des \u00c9tats-Unis et du British Geological Survey (BGS) ont uni leurs forces &#8211; comme ils le font tous les cinq ans &#8211; pour produire un nouveau mod\u00e8le magn\u00e9tique mondial (MMM) plus pr\u00e9cis.<\/p>\n<p>Alors que le p\u00f4le Nord g\u00e9ographique reste fixe (au sommet de l&rsquo;axe de rotation de la Terre), le WMM indique le p\u00f4le Nord magn\u00e9tique, o\u00f9 le champ magn\u00e9tique de la Terre pointe droit vers le bas, c&rsquo;est-\u00e0-dire un champ magn\u00e9tique parfaitement vertical.<\/p>\n<figure id=\"attachment_26492\" aria-describedby=\"caption-attachment-26492\" style=\"width: 642px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"26492\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/le-pole-nord-magnetique-a-officiellement-change-de-position\/pole-nord-historique\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-historique.jpg?fit=642%2C383&amp;ssl=1\" data-orig-size=\"642,383\" 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=\"pole nord historique\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Le pole nord magn\u00e9tique s&amp;rsquo;est beaucoup d\u00e9plac\u00e9 au cours des si\u00e8cles. (BGS)&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-historique.jpg?fit=642%2C383&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-historique.jpg?resize=642%2C383&#038;ssl=1\" alt=\"\" width=\"642\" height=\"383\" class=\"size-full wp-image-26492\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-historique.jpg?w=642&amp;ssl=1 642w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-historique.jpg?resize=300%2C179&amp;ssl=1 300w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><figcaption id=\"caption-attachment-26492\" class=\"wp-caption-text\">Le pole nord magn\u00e9tique s&rsquo;est beaucoup d\u00e9plac\u00e9 au cours des si\u00e8cles. (BGS)<\/figcaption><\/figure>\n<p>Et comme le fer et le nickel de notre plan\u00e8te se d\u00e9placent, le champ magn\u00e9tique de la Terre fait de m\u00eame, ce qui signifie que le p\u00f4le Nord (et le p\u00f4le Sud) est lui aussi en perp\u00e9tuel mouvement. Si vous utilisez une boussole ou un syst\u00e8me GPS, il est essentiel de savoir exactement o\u00f9 se trouvent ces points.<\/p>\n<p>\u00ab Le comportement actuel du nord magn\u00e9tique est quelque chose que nous n&rsquo;avons jamais observ\u00e9 auparavant \u00bb, explique William Brown, mod\u00e9lisateur du champ g\u00e9omagn\u00e9tique mondial au BGS.<\/p>\n<p>\u00ab Le nord magn\u00e9tique se d\u00e9place lentement autour du Canada depuis les ann\u00e9es 1500, mais au cours des 20 derni\u00e8res ann\u00e9es, il s&rsquo;est acc\u00e9l\u00e9r\u00e9 en direction de la Sib\u00e9rie, augmentant sa vitesse chaque ann\u00e9e jusqu&rsquo;\u00e0 il y a environ cinq ans, lorsqu&rsquo;il a soudainement d\u00e9c\u00e9l\u00e9r\u00e9 de 50 \u00e0 35 kilom\u00e8tres par an, ce qui est la plus grande d\u00e9c\u00e9l\u00e9ration jamais observ\u00e9e.<\/p>\n<p>Les recherches sugg\u00e8rent que deux lobes magn\u00e9tiques g\u00e9ants &#8211; l&rsquo;un sous le Canada et l&rsquo;autre sous la Sib\u00e9rie &#8211; sont \u00e0 l&rsquo;origine du d\u00e9placement du nord magn\u00e9tique. Parfois, ces d\u00e9placements sont suffisamment spectaculaires pour n\u00e9cessiter une mise \u00e0 jour d&rsquo;urgence, en dehors du cycle habituel de cinq ans.<\/p>\n<p>Nous disposons d\u00e9sormais d&rsquo;une carte plus pr\u00e9cise du nord magn\u00e9tique, qui devrait \u00eatre valable pendant encore une demi-d\u00e9cennie. Pour la premi\u00e8re fois, une carte \u00e0 plus haute r\u00e9solution est \u00e9galement disponible, qui offre plus de 10 fois plus de d\u00e9tails : elle a une r\u00e9solution spatiale d&rsquo;environ 300 km \u00e0 l&rsquo;\u00e9quateur par rapport aux 3 300 km habituels.<\/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<figure id=\"attachment_26491\" aria-describedby=\"caption-attachment-26491\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"26491\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/le-pole-nord-magnetique-a-officiellement-change-de-position\/pole-nord-magnetique\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-magnetique.jpg?fit=1024%2C415&amp;ssl=1\" data-orig-size=\"1024,415\" 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=\"pole nord magnetique\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Il y a un nouveau mod\u00e8le magn\u00e9tique mondial. (NOAA\/NCEI\/BGS)&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-magnetique.jpg?fit=800%2C324&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-magnetique.jpg?resize=1024%2C415&#038;ssl=1\" alt=\"\" width=\"1024\" height=\"415\" class=\"size-full wp-image-26491\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-magnetique.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-magnetique.jpg?resize=300%2C122&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-magnetique.jpg?resize=800%2C324&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-magnetique.jpg?resize=768%2C311&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-26491\" class=\"wp-caption-text\">Il y a un nouveau mod\u00e8le magn\u00e9tique mondial. (NOAA\/NCEI\/BGS)<\/figcaption><\/figure>\n<p>Selon l&rsquo;\u00e9quipe du BGS, si vous parcourez 8 500 km en ligne droite entre l&rsquo;Afrique du Sud et le Royaume-Uni, vous vous \u00e9loignerez de 150 km de votre route si vous utilisez l&rsquo;ancien WMM par rapport au nouveau pour votre navigation.<\/p>\n<p>C&rsquo;est dire l&rsquo;ampleur de la diff\u00e9rence, et les entreprises de cartographie et de logistique, ainsi que les gouvernements et les agences officielles, vont maintenant proc\u00e9der \u00e0 des mises \u00e0 jour.<\/p>\n<p>Toutefois, nous n&rsquo;aurons pas \u00e0 appliquer de mises \u00e0 jour \u00e0 nos propres t\u00e9l\u00e9phones ou syst\u00e8mes de navigation par satellite : tout se fera automatiquement.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Santa&#39;s Sat Nav gets major upgrade just in time for Christmas!  <\/p>\n<p>BGS, alongside partners including  <a href=\"https:\/\/twitter.com\/NOAA?ref_src=twsrc%5Etfw\">@NOAA<\/a>, have today released an updated model tracking magnetic north &#8211; crucial to the accuracy of GPS systems that are relied upon across the world.<a href=\"https:\/\/t.co\/tyduiGRvGJ\">https:\/\/t.co\/tyduiGRvGJ<\/a> <a href=\"https:\/\/t.co\/Wdd7dQjazn\">pic.twitter.com\/Wdd7dQjazn<\/a><\/p>\n<p>&mdash; British Geological Survey (@BritGeoSurvey) <a href=\"https:\/\/twitter.com\/BritGeoSurvey\/status\/1869010893289533916?ref_src=twsrc%5Etfw\">December 17, 2024<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Le p\u00f4le Nord magn\u00e9tique a \u00e9t\u00e9 d\u00e9couvert pour la premi\u00e8re fois par Sir James Clark Ross dans le nord du Canada en 1831.<\/p>\n<p>Depuis, les chercheurs ont progressivement r\u00e9ussi \u00e0 le suivre avec plus de pr\u00e9cision, gr\u00e2ce \u00e0 des mesures au sol effectu\u00e9es sur l&rsquo;ensemble du globe et \u00e0 des relev\u00e9s effectu\u00e9s par des satellites dans l&rsquo;espace.<\/p>\n<p>Traduction <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">Terra Projects<\/a><\/p>\n<p>Source : <a href=\"https:\/\/www.sciencealert.com\/the-magnetic-north-pole-has-officially-changed-position\" target=\"_blank\">https:\/\/www.sciencealert.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"26490\">(372)<\/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>Il est temps de recalibrer les syst\u00e8mes de navigation des navires, des avions et (vu la p\u00e9riode de l&rsquo;ann\u00e9e) du&#8230;<\/p>\n","protected":false},"author":1,"featured_media":26491,"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":"","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},"jetpack_post_was_ever_published":false},"categories":[31],"tags":[419,2544,262],"class_list":["post-26490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","tag-gps","tag-magnetique","tag-pole-nord","wpcat-31-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/pole-nord-magnetique.jpg?fit=1024%2C415&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-6Tg","jetpack-related-posts":[{"id":26556,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-pole-nord-magnetique-de-la-terre-est-officiellement-deplace-les-scientifiques-viennent-de-mettre-a-jour-sa-position\/","url_meta":{"origin":26490,"position":0},"title":"Le p\u00f4le Nord magn\u00e9tique de la Terre est officiellement d\u00e9plac\u00e9 &#8211; les scientifiques viennent de mettre \u00e0 jour sa position","author":"Admin","date":"26 janvier 2025","format":false,"excerpt":"Il est temps de recalibrer les syst\u00e8mes de navigation des navires et des avions, car la position du p\u00f4le Nord magn\u00e9tique a \u00e9t\u00e9 officiellement modifi\u00e9e et continue de s'\u00e9loigner du Canada pour se rapprocher de la Sib\u00e9rie. Des experts de la National Oceanic and Atmospheric Administration (NOAA) des \u00c9tats-Unis et\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\/2024\/01\/terre.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/01\/terre.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/01\/terre.jpg?fit=1200%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/01\/terre.jpg?fit=1200%2C1200&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/01\/terre.jpg?fit=1200%2C1200&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":20905,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-pole-nord-magnetique-de-la-terre-se-dirige-vers-la-siberie-et-nous-savons-enfin-pourquoi\/","url_meta":{"origin":26490,"position":1},"title":"Le p\u00f4le nord magn\u00e9tique de la Terre se dirige vers la Sib\u00e9rie et nous savons enfin pourquoi","author":"Admin","date":"27 mai 2020","format":false,"excerpt":"Le p\u00f4le nord magn\u00e9tique file vers la Sib\u00e9rie - et les scientifiques pourraient enfin savoir le pourquoi. Il est facile de penser aux p\u00f4les g\u00e9omagn\u00e9tiques de la Terre comme des \u00e9l\u00e9ments qui sont fix\u00e9s dans la pierre (ou la glace), mais les deux p\u00f4les ne sont pas stationnaires et restent\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/pole-magnetique.jpg?fit=1100%2C619&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/pole-magnetique.jpg?fit=1100%2C619&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/pole-magnetique.jpg?fit=1100%2C619&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/pole-magnetique.jpg?fit=1100%2C619&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/pole-magnetique.jpg?fit=1100%2C619&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":20200,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-pole-magnetique-se-deplace-rapidement-vers-la-siberie\/","url_meta":{"origin":26490,"position":2},"title":"Le p\u00f4le magn\u00e9tique se d\u00e9place rapidement vers la Sib\u00e9rie","author":"Admin","date":"26 d\u00e9cembre 2019","format":false,"excerpt":"Le p\u00f4le nord magn\u00e9tique de la Terre se d\u00e9place \u00e0 une vitesse inattendue vers la Sib\u00e9rie. Les scientifiques ont d\u00e9couvert que le poteau n'\u00e9tait pas l\u00e0 o\u00f9 il devrait \u00eatre en septembre dernier et que, par cons\u00e9quent, ils ont d\u00fb mettre \u00e0 jour le mod\u00e8le qui en suit les mouvements.\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\/2019\/11\/champ-magnetique-pole-nord.jpg?fit=737%2C491&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/11\/champ-magnetique-pole-nord.jpg?fit=737%2C491&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/11\/champ-magnetique-pole-nord.jpg?fit=737%2C491&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/11\/champ-magnetique-pole-nord.jpg?fit=737%2C491&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":27575,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-terre-a-deux-poles-nord-comment-le-pere-noel-sait-il-lequel-est-le-sien\/","url_meta":{"origin":26490,"position":3},"title":"La Terre a deux p\u00f4les Nord. Comment le P\u00e8re No\u00ebl sait-il lequel est le sien ?","author":"Admin","date":"25 d\u00e9cembre 2025","format":false,"excerpt":"Lorsque le P\u00e8re No\u00ebl a fini de distribuer les cadeaux la veille de No\u00ebl, il doit rentrer chez lui au p\u00f4le Nord, m\u00eame s'il neige si fort que les rennes ne voient plus o\u00f9 ils vont. Il pourrait utiliser une boussole, mais il se heurte alors \u00e0 un probl\u00e8me :\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\/12\/pere-noel-1.jpg?fit=1200%2C882&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/12\/pere-noel-1.jpg?fit=1200%2C882&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/12\/pere-noel-1.jpg?fit=1200%2C882&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/12\/pere-noel-1.jpg?fit=1200%2C882&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/12\/pere-noel-1.jpg?fit=1200%2C882&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":24635,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-pole-nord-magnetique-se-deplace-toujours-plus-vite\/","url_meta":{"origin":26490,"position":4},"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":[]},{"id":17724,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-pole-magnetique-continue-de-prendre-la-direction-de-la-russie-et-cree-des-difficultes-de-navigation\/","url_meta":{"origin":26490,"position":5},"title":"Le p\u00f4le magn\u00e9tique continue de prendre la direction de la Russie et cr\u00e9\u00e9 des difficult\u00e9s de navigation","author":"Admin","date":"12 janvier 2019","format":false,"excerpt":"Le pole magn\u00e9tique continue d'\u00e9voluer, le mouvement erratique du p\u00f4le magn\u00e9tique nord oblige les experts \u00e0 mettre \u00e0 jour le mod\u00e8le d'aide \u00e0 la navigation globale. La publication du mod\u00e8le magn\u00e9tique mondial a \u00e9t\u00e9 report\u00e9e au 30 janvier 2019 en raison de la fermeture en cours du gouvernement am\u00e9ricain. Quelque\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\/2019\/01\/pole-magnetique-pole-nord-2019.jpg?fit=800%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/pole-magnetique-pole-nord-2019.jpg?fit=800%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/pole-magnetique-pole-nord-2019.jpg?fit=800%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/pole-magnetique-pole-nord-2019.jpg?fit=800%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26490","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=26490"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26490\/revisions"}],"predecessor-version":[{"id":26493,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26490\/revisions\/26493"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/26491"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=26490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=26490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=26490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}