{"id":148723,"date":"2024-12-06T11:37:00","date_gmt":"2024-12-06T10:37:00","guid":{"rendered":"https:\/\/sftarticles.wpenginepowered.com\/es\/?p=344956"},"modified":"2025-06-12T10:22:12","modified_gmt":"2025-06-12T09:22:12","slug":"des-choses-etranges-se-passent-sur-jupiter-et-les-scientifiques-pensent-avoir-une-explication","status":"publish","type":"post","link":"https:\/\/cms-articles.softonic.io\/fr\/des-choses-etranges-se-passent-sur-jupiter-et-les-scientifiques-pensent-avoir-une-explication\/","title":{"rendered":"Des choses \u00e9tranges se passent sur Jupiter et les scientifiques pensent avoir une explication"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Des chercheurs ont <a href=\"https:\/\/news.berkeley.edu\/2024\/11\/26\/magnetic-tornado-is-stirring-up-the-haze-at-jupiters-poles\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">observ\u00e9 des ovales sombres myst\u00e9rieux<\/a>, chacun de la taille approximative de la Terre, qui apparaissent dans les r\u00e9gions polaires de Jupiter dans le spectre ultraviolet. Oui, rappelez-vous que Jupiter est bien plus grande que notre petite plan\u00e8te.<\/p>\n\n\n<div class=\"sc-card-starred-link\">\r\n  <div class=\"sc-card-starred-link__body\">\r\n    <div class=\"sc-card-starred-link__row clearfix\">\r\n      <div class=\"sc-card-starred-link__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-starred-link__img\" src=\"https:\/\/articles-img.sftcdn.net\/sft\/articles\/auto-mapping-folder\/sites\/3\/2024\/09\/newsletter.png\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-starred-link__col-title\">\r\n        <p class=\"sc-card-starred-link__title\">Abonnez-vous \u00e0 la newsletter de Softonic et recevez les derni\u00e8res nouveaut\u00e9s en technologie, jeux vid\u00e9o et offres directement dans votre bo\u00eete<\/p>\r\n        <a class=\"sc-card-starred-link__button\" href=\"https:\/\/softonic-fr.beehiiv.com\/subscribe\" target=\"_blank\" rel=\"noopener noreferrer sponsored\">Abonnez-vous (c'est GRATUIT) \u25ba<\/a>\r\n      <\/div>\r\n    <\/div>\r\n    <a class=\"sc-card-starred-link__link\" href=\"https:\/\/softonic-fr.beehiiv.com\/subscribe\" target=\"_blank\" rel=\"noopener noreferrer sponsored\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">La g\u00e9ante gazeuse, dont la Grande Tache Rouge d\u00e9route les astronomes depuis des si\u00e8cles, poss\u00e8de un champ magn\u00e9tique extr\u00eamement puissant qui, selon les scientifiques, pourrait \u00eatre \u00e0 l&#8217;origine de ce ph\u00e9nom\u00e8ne \u00e9trange.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Comme d\u00e9taill\u00e9 dans un <a href=\"https:\/\/www.nature.com\/articles\/s41550-024-02419-0\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">nouvel article<\/a> publi\u00e9 dans la revue Nature Astronomy, <strong>un groupe de scientifiques soutenu par la NASA est arriv\u00e9 \u00e0 la conclusion que les perturbations dans la haute atmosph\u00e8re de la plan\u00e8te peuvent provoquer l&#8217;apparition de ces taches sombres<\/strong> dans les observations ultraviolettes.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">What&#39;s that black spot on Jupiter? No one is sure. During one pass of NASA&#39;s Juno over Jupiter, the robotic spacecraft imaged an usually dark cloud feature informally dubbed the Abyss. Surrounding cloud patterns show the Abyss to be at the center of a vortex. Since dark features\u2026 <a href=\"https:\/\/t.co\/Becef4TiSQ\">pic.twitter.com\/Becef4TiSQ<\/a><\/p>&mdash; Astronomy Picture Of the Day (@apod) <a href=\"https:\/\/twitter.com\/apod\/status\/1853268740533879062?ref_src=twsrc%5Etfw\">November 4, 2024<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Dans les profondeurs de l&#8217;atmosph\u00e8re de la plan\u00e8te, des forces tr\u00e8s puissantes sont \u00e0 l&#8217;\u0153uvre<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bien que les ovales aient \u00e9t\u00e9 d\u00e9tect\u00e9s pour la premi\u00e8re fois dans des observations de Hubble \u00e0 la fin des ann\u00e9es quatre-vingt-dix, l&#8217;\u00e9quipe affirme avoir trouv\u00e9 la raison de leur apparition :<strong> ils sugg\u00e8rent que des tornades magn\u00e9tiques dans la haute atmosph\u00e8re pourraient agiter la brume stratosph\u00e9rique<\/strong>, provoquant la formation de ces caract\u00e9ristiques inhabituelles pr\u00e8s des p\u00f4les nord et sud de Jupiter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces ovales apparaissent sombres dans les observations UV r\u00e9alis\u00e9es par le t\u00e9lescope spatial Hubble de la NASA, dans le cadre du projet Outer Planet Atmospheres Legacy (OPAL), car ils absorbent plus de lumi\u00e8re ultraviolette que leur environnement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il est possible que le ph\u00e9nom\u00e8ne ne se limite pas \u00e0 la partie sup\u00e9rieure de l&#8217;atmosph\u00e8re de la g\u00e9ante gazeuse. Selon les chercheurs, <strong>l&#8217;existence des ovales sugg\u00e8re que des forces tr\u00e8s puissantes agissent dans les profondeurs de l&#8217;atmosph\u00e8re de la plan\u00e8te.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">1\/2<br>So great achievement!<br><br>Using 26 global maps of Jupiter, obtained by Hubble between 1994 and 2022, UC Berkeley astronomers have detected transient ultraviolet dark ovals at the planet&#39;s north and south poles.<br><br>Ovals at the south pole are 4 to 6 times more common than ovals\u2026 <a href=\"https:\/\/t.co\/Iar5zZfEl8\">pic.twitter.com\/Iar5zZfEl8<\/a><\/p>&mdash; Nereide (@Nereide) <a href=\"https:\/\/twitter.com\/Nereide\/status\/1862188299374534848?ref_src=twsrc%5Etfw\">November 28, 2024<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Dans les deux premiers mois, nous nous sommes rendu compte que ces images OPAL \u00e9taient comme une mine d&#8217;or, en quelque sorte, et tr\u00e8s rapidement, j&#8217;ai pu construire ce pipeline d&#8217;analyse et envoyer toutes les images pour voir ce que nous obtenons \u00bb, a d\u00e9clar\u00e9 l&#8217;\u00e9tudiant de premier cycle de l&#8217;UC Berkeley et co-auteur Troy Tsubota dans un <a href=\"https:\/\/news.berkeley.edu\/2024\/11\/26\/magnetic-tornado-is-stirring-up-the-haze-at-jupiters-poles\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">communiqu\u00e9<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tsubota et ses collaborateurs sugg\u00e8rent que <strong>le point le plus profond de ces vortex dans l&#8217;ionosph\u00e8re de la plan\u00e8te pourrait agiter l&#8217;atmosph\u00e8re brumeuse de Jupiter et l&#8217;envoyer vers le haut de mani\u00e8re similaire \u00e0 une tornade<\/strong>, provoquant la formation de ces ovales pendant environ un mois avant de se dissiper.<\/p>\n\n\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/2cddcc48-a4d6-11e6-88af-00163ec9f5fa\/3678680588\/nasa-app-logo\" alt=\"NASA App\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">NASA App<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/nasa-app.fr.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\">T\u00c9L\u00c9CHARGER<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        \r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/nasa-app.fr.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;\u00e9quipe esp\u00e8re \u00e9clairer davantage comment la dynamique atmosph\u00e9rique diff\u00e8re entre la Terre et Jupiter. <strong>La g\u00e9ante gazeuse a toujours \u00e9t\u00e9 un myst\u00e8re pour nous,<\/strong> mais nous la connaissons peu \u00e0 peu \u00e0 mesure que nos instruments de mesure s&#8217;am\u00e9liorent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs ont observ\u00e9 de myst\u00e9rieux ovales sombres, chacun de la taille approximative de la Terre, qui apparaissent dans les r\u00e9gions polaires de Jupiter dans le spectre ultraviolet. Oui, rappelez-vous que Jupiter est beaucoup plus grand que notre petite plan\u00e8te. Le g\u00e9ant gazeux, dont la Grande Tache Rouge intrigue les astronomes depuis des si\u00e8cles, poss\u00e8de un champ magn\u00e9tique extr\u00eamement puissant qui, selon les scientifiques, pourrait \u00eatre \u00e0 l&#8217;origine de ce ph\u00e9nom\u00e8ne \u00e9trange. Comme d\u00e9taill\u00e9 dans un nouvel article publi\u00e9 dans la revue Nature Astronomy, un groupe de scientifiques soutenu par la NASA est arriv\u00e9 \u00e0 la conclusion que les perturbations en haute [&hellip;]<\/p>\n","protected":false},"author":9265,"featured_media":148724,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wpcf-pageviews":1},"categories":[16761],"tags":[17131,3731],"usertag":[],"vertical":[],"content-category":[],"class_list":["post-148723","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-espacio","tag-nasa"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts\/148723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/users\/9265"}],"replies":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/comments?post=148723"}],"version-history":[{"count":1,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts\/148723\/revisions"}],"predecessor-version":[{"id":159226,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts\/148723\/revisions\/159226"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/media\/148724"}],"wp:attachment":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/media?parent=148723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/categories?post=148723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/tags?post=148723"},{"taxonomy":"usertag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/usertag?post=148723"},{"taxonomy":"vertical","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/vertical?post=148723"},{"taxonomy":"content-category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/content-category?post=148723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}