{"id":1714,"date":"2015-01-25T08:53:10","date_gmt":"2015-01-25T08:53:10","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=1714"},"modified":"2015-02-01T06:27:03","modified_gmt":"2015-02-01T06:27:03","slug":"incroyable-triple-transit-de-satellites-devant-jupiter","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/25\/incroyable-triple-transit-de-satellites-devant-jupiter\/","title":{"rendered":"Incroyable triple transit de satellites devant Jupiter"},"content":{"rendered":"<p>C&#8217;est un \u00e9v\u00e9nement qui ne se reproduira pas avant 2032. Samedi 24 janvier \u00e0 l&#8217;aube, les ombres des satellites <a title=\"Quand Callisto occulte Io\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/30\/callisto-occulte-io\/\" target=\"_blank\">Callisto<\/a>, <a title=\"Une image fascinante du satellite Europe\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/12\/11\/image-fascinante-du-satellite-europe\/\" target=\"_blank\">Europe <\/a>et Io ont d\u00e9fil\u00e9 lentement sur les nuages color\u00e9s de <a title=\"Jupiter \u00e9chappe aux nuages\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/08\/jupiter-echappe-aux-nuages\/\" target=\"_blank\">Jupiter<\/a>, la plus grosse plan\u00e8te du Syst\u00e8me solaire.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/01\/jupiter-transits.jpg\" rel=\"lightbox[1714]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1718\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/01\/jupiter-transits-450x337.jpg\" alt=\"jupiter-transits\" width=\"450\" height=\"337\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/01\/jupiter-transits-450x337.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/01\/jupiter-transits-1024x768.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/01\/jupiter-transits.jpg 1200w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Les <a title=\"Lumi\u00e8re rouge pour les astronomes\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/12\/14\/lumiere-rouge-les-astronomes\/\" target=\"_blank\">astronomes <\/a>arm\u00e9s de <a title=\"En images : les t\u00e9lescopes des amateurs\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/05\/14\/en-images-les-telescopes-amateurs\/\" target=\"_blank\">t\u00e9lescopes <\/a>ont d&#8217;abord vu appara\u00eetre l&#8217;ombre de Callisto vers 4h35 (TU), rattrap\u00e9e et doubl\u00e9e dans les deux heures qui ont suivi par celle de Io, avant que n&#8217;apparaisse l&#8217;ombre d&#8217;Europe.<\/p>\n<p><!--more-->Les 3 ombres \u00e9taient visibles simultan\u00e9ment sur Jupiter pendant une vingtaine de minutes (entre 6h30 et 6h50) puis celle de Io a disparu la premi\u00e8re. Si les ombres sont assez faciles \u00e0 observer en raison de leur contraste avec les nuages de <a title=\"Jupiter se rapproche\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/12\/12\/jupiter-se-rapproche\/\" target=\"_blank\">Jupiter <\/a>(certains observateurs les remarquent dans une simple paire de jumelles), il \u00e9tait plus d\u00e9licat d&#8217;observer directement les trois satellites passant devant le globe de la plan\u00e8te g\u00e9ante.<\/p>\n<p>L&#8217;image ci-dessus a \u00e9t\u00e9 r\u00e9alis\u00e9e par l&#8217;astronome amateur\u00a0<a title=\"Efrain Morales Rivera\" href=\"http:\/\/www.astronomerswithoutborders.org\/community\/members-galleries\/1530-efrain-morales-rivera\/album.html?albumid=193\" target=\"_blank\">Efrain Morales Rivera<\/a> depuis Aguadilla, sur l&#8217;\u00eele de Porto Rico. Le clich\u00e9, pris le 24 janvier \u00e0 6h45 TU, permet de voir tout \u00e0 la fois les 3 satellites (remarquez les diff\u00e9rences de tailles et de couleurs) ainsi que leurs trois ombres juste avant que celle de Io ne quitte le globe.<\/p>\n<p>Rappel :<\/p>\n<ul>\n<li>Io (3630 km de diam\u00e8tre) circule \u00e0 421 600 km de Jupiter<\/li>\n<li>Europe (3138 km de diam\u00e8tre) circule \u00e0 670 900 km de Jupiter<\/li>\n<li>Callisto (4806 km de diam\u00e8tre) circule \u00e0 1,8 million de km de Jupiter<\/li>\n<\/ul>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>C&#8217;est un \u00e9v\u00e9nement qui ne se reproduira pas avant 2032. Samedi 24 janvier \u00e0 l&#8217;aube, les ombres des satellites Callisto, Europe et Io ont d\u00e9fil\u00e9 lentement sur les nuages color\u00e9s de Jupiter, la plus grosse plan\u00e8te du Syst\u00e8me solaire. Les astronomes arm\u00e9s de t\u00e9lescopes ont d&#8217;abord vu appara\u00eetre l&#8217;ombre de Callisto vers 4h35 (TU), rattrap\u00e9e &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/25\/incroyable-triple-transit-de-satellites-devant-jupiter\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Incroyable triple transit de satellites devant Jupiter<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":1718,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[94,415,790,412,413,90,451,114,160,96],"class_list":["post-1714","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-astronome","tag-callisto","tag-efrain-morales-rivera","tag-europe","tag-io","tag-jupiter","tag-paire-de-jumelles","tag-planete","tag-systeme-solaire","tag-telescope"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Incroyable triple transit de satellites devant Jupiter<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/01\/25\/incroyable-triple-transit-de-satellites-devant-jupiter\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Incroyable triple transit de satellites devant Jupiter\" \/>\n<meta property=\"og:description\" content=\"C&#8217;est un \u00e9v\u00e9nement qui ne se reproduira pas avant 2032. Samedi 24 janvier \u00e0 l&#8217;aube, les ombres des satellites Callisto, Europe et Io ont d\u00e9fil\u00e9 lentement sur les nuages color\u00e9s de Jupiter, la plus grosse plan\u00e8te du Syst\u00e8me solaire. 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