{"id":2490,"date":"2022-02-01T16:12:30","date_gmt":"2022-02-01T16:12:30","guid":{"rendered":"https:\/\/www.africa-press.net\/djibouti\/politique\/un-nuage-de-plasma-solaire-couvrira-la-terre-le-2-fevrier"},"modified":"2022-02-13T16:35:54","modified_gmt":"2022-02-13T16:35:54","slug":"un-nuage-de-plasma-solaire-couvrira-la-terre-le-2-fevrier","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/djibouti\/video\/un-nuage-de-plasma-solaire-couvrira-la-terre-le-2-fevrier","title":{"rendered":"Un nuage de plasma solaire couvrira la Terre le 2 f\u00e9vrier"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Djibouti. <\/strong><\/span>Les ph\u00e9nom\u00e8nes physico-chimiques dans l\u2019espace impactent souvent la Terre. Le 2 f\u00e9vrier prochain, une onde de plasma \u00e9ject\u00e9e par le Soleil atteindra la Terre, en suivront des orages magn\u00e9tiques de moyenne intensit\u00e9 qui dureront deux jours, selon le site Internet du Centre am\u00e9ricain de pr\u00e9vision m\u00e9t\u00e9orologique spatiale.<\/p>\n<p>Les scientifiques du Centre am\u00e9ricain de pr\u00e9vision m\u00e9t\u00e9orologique spatiale (SWPC) ont constat\u00e9 que l\u2019activit\u00e9 du Soleil \u00e9tait intense au point d\u2019avoir \u00e9ject\u00e9 une vague de plasma \u00e0 sa surface.<\/p>\n<p>Le nuage a \u00e9t\u00e9 \u00e9ject\u00e9 par le Soleil le 30 janvier lors d&rsquo;une \u00e9ruption de puissance moyenne, de classe M, pr\u00e9cise le site SWPC. L&rsquo;\u00e9ruption a dur\u00e9 plus de quatre heures et s&rsquo;est dirig\u00e9e vers la Terre.<\/p>\n<p><b>Quand arrivera-t-il?<\/b><\/p>\n<p>Les experts sugg\u00e8rent que le nuage de plasma atteindra la Terre dans la matin\u00e9e du 2 f\u00e9vrier et s\u2019\u00e9ternisera jusqu\u2019au lendemain. Des orages magn\u00e9tiques de niveau G2 moyen sont attendus.<\/p>\n<p><b>40% de chances de temp\u00eate magn\u00e9tique<\/b><\/p>\n<p>Dans le m\u00eame temps, selon les pr\u00e9visions du Laboratoire d&rsquo;astronomie solaire \u00e0 rayons X de l&rsquo;Institut physique de l&rsquo;Acad\u00e9mie des sciences de Russie, la probabilit\u00e9 d&rsquo;une temp\u00eate magn\u00e9tique le 2 f\u00e9vrier est estim\u00e9e \u00e0 seulement 40% et son niveau est pr\u00e9vu comme G1 (le plus faible).<\/p>\n<p>Au total, il existe cinq niveaux dans la classification des orages magn\u00e9tiques: de G1 \u00e0 G5. D\u2019apr\u00e8s les scientifiques, une faible temp\u00eate pourrait provoquer des perturbations mineures du r\u00e9seau \u00e9lectrique et affecter les voies de migration des oiseaux et des animaux. Des temp\u00eates plus fortes provoquent des perturbations des syst\u00e8mes de communication et de navigation \u00e0 ondes courtes, ainsi que des pannes de courant dans les r\u00e9seaux industriels. Une activit\u00e9 solaire accrue peut davantage \u00e9tendre la g\u00e9ographie des observations d&rsquo;aurores bor\u00e9ales.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/djibouti\">Djibouti<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Djibouti. Les ph\u00e9nom\u00e8nes physico-chimiques dans l\u2019espace impactent souvent la Terre. Le 2 f\u00e9vrier prochain, une onde de plasma \u00e9ject\u00e9e par le Soleil atteindra la Terre, en suivront des orages magn\u00e9tiques de moyenne intensit\u00e9 qui dureront deux jours, selon le site Internet du Centre am\u00e9ricain de pr\u00e9vision m\u00e9t\u00e9orologique spatiale. Les scientifiques du Centre am\u00e9ricain [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":2489,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,11,10,9],"tags":[36,49,50],"class_list":["post-2490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-homepage-french","category-toutes-les-actualites","category-video","tag-africa-press","tag-africa-press-djibouti","tag-djibouti"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Un nuage de plasma solaire couvrira la Terre le 2 f\u00e9vrier - Djibouti<\/title>\n<meta name=\"description\" content=\"Les ph\u00e9nom\u00e8nes physico-chimiques dans l\u2019espace impactent souvent la Terre. 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