{"id":14989,"date":"2017-04-10T00:00:00","date_gmt":"2017-04-09T22:00:00","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=14989"},"modified":"2017-04-09T18:37:10","modified_gmt":"2017-04-09T16:37:10","slug":"le-8-avril-1947-fut-la-plus-grande-tache-solaire-jamais-mesuree","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/le-8-avril-1947-fut-la-plus-grande-tache-solaire-jamais-mesuree\/","title":{"rendered":"Le 8 avril 1947 fut la plus grande tache solaire jamais mesur\u00e9e"},"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>Le 8 Avril 1947, fut aper\u00e7u la plus grande des taches solaires jamais mesur\u00e9e : elle mesurait plus de 300.000 kilom\u00e8tres de largeur, plus de 18 milliards de kilom\u00e8tres carr\u00e9s.<\/p>\n<p>La tache solaire est une zone de la photosph\u00e8re solaire qui est \u00e0 une temp\u00e9rature inf\u00e9rieure de la r\u00e9gion environnante, le tourbillon se fait par des courants magn\u00e9tiques puissants. Bien \u00e9videment, cela reste toujours \u00e0 des temp\u00e9ratures tr\u00e8s \u00e9lev\u00e9es, puisque nous parlons de 5000 degr\u00e9s! On a calcul\u00e9 que cette tache solaire mesur\u00e9e une largeur de plus de 300.000 km, plus dix-huit milliards de kilom\u00e8tres carr\u00e9s, \u00e9gale \u00e0 6 millisecondes de l&rsquo;h\u00e9misph\u00e8re visible.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"14990\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/le-8-avril-1947-fut-la-plus-grande-tache-solaire-jamais-mesuree\/tache-solaire-1947\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?fit=670%2C503&amp;ssl=1\" data-orig-size=\"670,503\" 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=\"tache-solaire-1947\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?fit=300%2C225&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?fit=670%2C503&amp;ssl=1\" class=\"alignnone size-full wp-image-14990\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?resize=670%2C503\" alt=\"\" width=\"670\" height=\"503\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?w=670&amp;ssl=1 670w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?resize=80%2C60&amp;ssl=1 80w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?resize=174%2C131&amp;ssl=1 174w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?resize=70%2C53&amp;ssl=1 70w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/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>La premi\u00e8re observation dat\u00e9e, de 28 taches solaires, dans un document chinois qui d\u00e9crit comme \u00ab une grande vapeur noire comme une pi\u00e8ce de monnaie \u00bb et que cela devait \u00eatre exceptionnellement \u00e9lev\u00e9 : on estime que cela avait un diam\u00e8tre de 40000 km, sachant que le diam\u00e8tre de la Terre est de 12,756 kilom\u00e8tres. Cependant, plusieurs si\u00e8cles se sont \u00e9coul\u00e9s avant que nous pouvions r\u00e9aliser la d\u00e9couverte \u00ab officielle \u00bb des taches solaires : apr\u00e8s l&rsquo;invention du t\u00e9lescope qui a observ\u00e9 les premi\u00e8res taches solaires en 1610. La m\u00eame ann\u00e9e est arriv\u00e9e une controverse de l&rsquo;auteur du c\u00e9l\u00e8bre astronome Pisan et l&rsquo;allemand j\u00e9suite Christoph Scheiner, qui par erreur contrairement \u00e0 Galileo qui avait th\u00e9oris\u00e9 la question, avait identifi\u00e9 les taches solaires comme des corps sombres qui tournent autour du Soleil ou de la Terre.<\/p>\n<p>Traduction et adaptation de<a href=\"http:\/\/www.laterredufutur.com\/accueil\/\"> la Terre du Futur<\/a><\/p>\n<p>source :&nbsp;<a href=\"http:\/\/www.meteoweb.eu\/2017\/04\/accadde-oggi-nel-1947-la-macchia-solare-piu-grande-mai-misurata\/883596\/#jSFXvZQRJ8x9F5Yg.99\" target=\"_blank\">http:\/\/www.meteoweb.eu<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"14989\">(680)<\/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>Le 8 Avril 1947, fut aper\u00e7u la plus grande des taches solaires jamais mesur\u00e9e : elle mesurait plus de 300.000&#8230;<\/p>\n","protected":false},"author":1,"featured_media":14990,"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":"Le 8 avril 1947 fut la plus grande tache solaire jamais mesur\u00e9e @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":[26],"tags":[6383,1323,37,6382],"class_list":["post-14989","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions","tag-6383","tag-record","tag-soleil","tag-tache-solaire","wpcat-26-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/tache-solaire-1947.jpg?fit=670%2C503&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3TL","jetpack-related-posts":[{"id":24961,"url":"https:\/\/www.laterredufutur.com\/accueil\/de-nouveaux-gros-plans-de-notre-etoile-toujours-plus-eblouissants\/","url_meta":{"origin":14989,"position":0},"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":5589,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-triple-cocktail-pour-un-fort-refroidissement-climatique\/","url_meta":{"origin":14989,"position":1},"title":"Le Triple cocktail pour un fort refroidissement climatique","author":"Admin","date":"22 novembre 2010","format":false,"excerpt":"\u00abLe r\u00e9chauffement climatique\" peut devenir un de ces cocktails pittoresques historiques si les trois facteurs climatiques cl\u00e9s - refroidissement de la surface des temp\u00e9ratures du Pacifique du Nord, tr\u00e8s faible activit\u00e9 solaire et l'augmentation des \u00e9ruptions volcaniques - convergent pour former une \u00abtemp\u00eate parfaite\u00bb de la chute des temp\u00e9ratures de\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":"","width":0,"height":0},"classes":[]},{"id":21681,"url":"https:\/\/www.laterredufutur.com\/accueil\/limage-la-plus-nette-dune-tache-solaire-ressemble-a-un-portail-vers-lenfer\/","url_meta":{"origin":14989,"position":2},"title":"L&rsquo;image la plus nette d&rsquo;une tache solaire ressemble \u00e0 un portail vers l&rsquo;enfer","author":"Admin","date":"6 d\u00e9cembre 2020","format":false,"excerpt":"Le t\u00e9lescope solaire Daniel K. Inouye de la National Science Foundation des \u00c9tats-Unis, le plus grand observatoire solaire du monde, vient de publier sa toute premi\u00e8re image d'une tache solaire. L'image, prise en janvier 2020, est l'image la plus nette d'une tache solaire de l'histoire - et elle a l'air\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\/2020\/12\/tache-solaire-decembre2020.jpg?fit=1024%2C535&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/12\/tache-solaire-decembre2020.jpg?fit=1024%2C535&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/12\/tache-solaire-decembre2020.jpg?fit=1024%2C535&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/12\/tache-solaire-decembre2020.jpg?fit=1024%2C535&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":22923,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-refroidissement-en-perspective-faible-activite-solaire-fumee-de-feu-de-foret-la-nina-tout-cela-prepare-un-refroidissement-de-2022\/","url_meta":{"origin":14989,"position":3},"title":"Un refroidissement en perspective ? Faible activit\u00e9 solaire, fum\u00e9e de feu de for\u00eat, La Ni\u00f1a, tout cela pr\u00e9pare un refroidissement de 2022 ?","author":"Admin","date":"12 ao\u00fbt 2021","format":false,"excerpt":"Voici 3 raisons pour lesquelles les temp\u00e9ratures de surface mondiales vont probablement continuer \u00e0 se refroidir au cours de l'ann\u00e9e \u00e0 venir. La Nina de retour dans les pr\u00e9visions La NASA continue de pr\u00e9voir des conditions au profit de La Ni\u00f1a jusqu'en 2022, ce qui sugg\u00e8re un refroidissement vigoureux et\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\/2021\/08\/la-nina-impact-amerique-du-nord-et-europe.jpg?fit=1110%2C635&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/la-nina-impact-amerique-du-nord-et-europe.jpg?fit=1110%2C635&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/la-nina-impact-amerique-du-nord-et-europe.jpg?fit=1110%2C635&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/la-nina-impact-amerique-du-nord-et-europe.jpg?fit=1110%2C635&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/08\/la-nina-impact-amerique-du-nord-et-europe.jpg?fit=1110%2C635&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":4018,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-refroidissement-global-est-en-cours\/","url_meta":{"origin":14989,"position":4},"title":"Le refroidissement global est en cours !","author":"Admin","date":"5 juin 2007","format":false,"excerpt":"Pr\u00e9vision solaire de la baisse prochaine de la temp\u00e9rature terrestre par David Archibald de la NASA. Voici une pr\u00e9vision solaire de ce physicien de la NASA qui nous annonce donc une prochaine d\u00e9cennie qui nous apportera un refroidissement sur l'ensemble du globe. Et si ce refroidissement avait commenc\u00e9 ! Si\u2026","rel":"","context":"Dans &quot;Soleil&quot;","block_context":{"text":"Soleil","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/soleil\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3388,"url":"https:\/\/www.laterredufutur.com\/accueil\/tempete-solaire-pour-2010-2012\/","url_meta":{"origin":14989,"position":5},"title":"Temp\u00eate solaire pour 2010-2012 ?","author":"Admin","date":"31 mars 2006","format":false,"excerpt":"C\u2019est officiel : le minimum solaire est arriv\u00e9. Les taches solaires se sont \u00e9vanouies. Les \u00e9ruptions solaires sont inexistantes. Le Soleil est d\u2019un calme plat. Comme le calme qui pr\u00e9c\u00e8de la temp\u00eate. Au del\u00e0 des possibilit\u00e9s qu'un tel ph\u00e9nom\u00e8ne puisse revenir, nous allons voir que la derni\u00e8re temp\u00eate solaire de\u2026","rel":"","context":"Dans &quot;Soleil&quot;","block_context":{"text":"Soleil","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/soleil\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14989","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=14989"}],"version-history":[{"count":2,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14989\/revisions"}],"predecessor-version":[{"id":14992,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14989\/revisions\/14992"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/14990"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=14989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=14989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=14989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}