{"id":7927,"date":"2017-05-30T16:36:24","date_gmt":"2017-05-30T16:36:24","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=7927"},"modified":"2019-03-01T08:25:56","modified_gmt":"2019-03-01T08:25:56","slug":"astronome-amateur-francais-filme-impact-jupiter","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/05\/30\/astronome-amateur-francais-filme-impact-jupiter\/","title":{"rendered":"Un astronome amateur fran\u00e7ais filme un impact sur Jupiter"},"content":{"rendered":"<p><strong>Le 26 mai un astrophotographe fran\u00e7ais install\u00e9 en Corse a film\u00e9 par hasard un impact sur Jupiter, dans la r\u00e9gion polaire nord de la plan\u00e8te g\u00e9ante gazeuse.\u00a0<\/strong><\/p>\n<p><a href=\"https:\/\/www.flickr.com\/photos\/142620646@N08\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sauveur Pedranghelu<\/a> est un astronome amateur combl\u00e9 : alors qu&#8217;il r\u00e9alisait une s\u00e9rie d&#8217;images de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/02\/12\/video-jupiter-revelee-images-de-91-amateurs\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jupiter<\/a> avec un <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/05\/14\/en-images-les-telescopes-amateurs\/\" target=\"_blank\" rel=\"noopener noreferrer\">t\u00e9lescope<\/a> dans la soir\u00e9e du 26 mai, sa cam\u00e9ra a enregistr\u00e9 l&#8217;impact d&#8217;une <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/24\/les-grosses-meteorites-inquietent-les-scientifiques\/\" target=\"_blank\" rel=\"noopener noreferrer\">grosse m\u00e9t\u00e9orite<\/a> dans l&#8217;atmosph\u00e8re de la plan\u00e8te g\u00e9ante gazeuse sous la forme d&#8217;un flash tr\u00e8s bref (0,7 seconde) aux alentours de 19h25 TU. Son image a \u00e9t\u00e9 trait\u00e9e par <a href=\"http:\/\/www.astrosurf.com\/delcroix\/\" target=\"_blank\" rel=\"noopener noreferrer\">Marc Delcroix<\/a>, un autre astronome amateur qui coordonne en France les observations de Jupiter dans le cadre de la mission <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/06\/12\/mission-juno-astronomes-amateurs-y-participent\/\" target=\"_blank\" rel=\"noopener noreferrer\">Juno<\/a>, une sonde am\u00e9ricaine qui est arriv\u00e9e dans la banlieue de la plan\u00e8te en juillet 2016 et qui l&#8217;\u00e9tudie depuis une orbite polaire.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/impact_jupiter.jpg\" rel=\"lightbox[7927]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7928\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/impact_jupiter-450x285.jpg\" alt=\"\" width=\"450\" height=\"285\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/impact_jupiter-450x285.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/impact_jupiter-768x486.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/05\/impact_jupiter.jpg 795w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Marc Delcroix a lanc\u00e9 l&#8217;alerte pour inciter les astrophotographes qui observaient au m\u00eame moment \u00e0 v\u00e9rifier leurs images. La confirmation de cet impact est venue d&#8217;Allemagne o\u00f9 un autre amateur, Thomas Riessler, a obtenu une image de ce flash lumineux.\u00a0<!--more--><\/p>\n<p>C&#8217;est la sixi\u00e8me fois que l&#8217;on observe un impact sur Jupiter : la plus grosse plan\u00e8te du syst\u00e8me solaire (318 fois plus massive que la Terre) joue un peu le r\u00f4le d&#8217;un aimant en attirant les ast\u00e9ro\u00efdes et les com\u00e8tes qui passent un peu trop pr\u00e8s. On se souvient de l&#8217;impact (\u00e0 une vitesse de 60 km\/sec) des diff\u00e9rents morceaux de la <a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/univers-comete-shoemaker-levy-9-3723\/\" target=\"_blank\" rel=\"noopener\">com\u00e8te Shoemaker-Levy 9<\/a> en juillet 1994 qui fut suivi par les t\u00e9lescopes du monde entier et provoqua des cicatrices sombres g\u00e9antes observables pendant plusieurs mois dans l&#8217;atmosph\u00e8re de Jupiter.<\/p>\n<p>Cette fois-ci l&#8217;impact a \u00e9t\u00e9 beaucoup moins spectaculaire puisque aucun astronome n&#8217;a relev\u00e9 de trace au niveau de la r\u00e9gion polaire nord au cours des observations men\u00e9es les nuits suivantes.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Le 26 mai un astrophotographe fran\u00e7ais install\u00e9 en Corse a film\u00e9 par hasard un impact sur Jupiter, dans la r\u00e9gion polaire nord de la plan\u00e8te g\u00e9ante gazeuse.\u00a0 Sauveur Pedranghelu est un astronome amateur combl\u00e9 : alors qu&#8217;il r\u00e9alisait une s\u00e9rie d&#8217;images de Jupiter avec un t\u00e9lescope dans la soir\u00e9e du 26 mai, sa cam\u00e9ra a &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/05\/30\/astronome-amateur-francais-filme-impact-jupiter\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Un astronome amateur fran\u00e7ais filme un impact sur 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":7928,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[2239,1685,90,1686,2237,2238],"class_list":["post-7927","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-comete-shoemaker-levy-9","tag-juno","tag-jupiter","tag-marc-delcroix","tag-sauveur-pedranghelu","tag-thomas-riessler"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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