{"id":1265,"date":"2014-11-27T16:15:38","date_gmt":"2014-11-27T16:15:38","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=1265"},"modified":"2014-12-01T12:30:04","modified_gmt":"2014-12-01T12:30:04","slug":"gaz-poussiere-autour-comete-67p","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/27\/gaz-poussiere-autour-comete-67p\/","title":{"rendered":"Gaz et poussi\u00e8re autour de la com\u00e8te 67P"},"content":{"rendered":"

Alors que l’ESA cherche toujours \u00e0 localiser l’atterrisseur Philae <\/a>sur la com\u00e8te\u00a067P\/Churyumov-Gerasimenko, l’orbiteur Rosetta poursuit ses investigations.<\/p>\n

\"comet2\"<\/a><\/p>\n

Une mosa\u00efque r\u00e9alis\u00e9e \u00e0 partir de 4 images prises le 20 novembre par la cam\u00e9ra de navigation NavCam de Rosetta r\u00e9v\u00e8le une augmentation du niveau d’activit\u00e9 de la com\u00e8te <\/a>(qui se rapproche du Soleil<\/a>), d’o\u00f9 s’\u00e9chappent des petits jets de gaz et de poussi\u00e8re.<\/p>\n

Des indices laissent \u00e9galement penser qu’une fine “atmosph\u00e8re” de gaz et de poussi\u00e8re entoure la com\u00e8te mais les scientifiques restent prudents pour le moment (il pourrait s’agir d’un ph\u00e9nom\u00e8ne de diffusion de la lumi\u00e8re provoqu\u00e9e par les optiques de la cam\u00e9ra NavCam).<\/p>\n

Les images qui composent la mosa\u00efque, d’une r\u00e9solution d’environ 2,6 m\u00e8tres\/pixel, on \u00e9t\u00e9 prises \u00e0 une trentaine de kilom\u00e8tres de distance.<\/p>\n","protected":false},"excerpt":{"rendered":"

Alors que l’ESA cherche toujours \u00e0 localiser l’atterrisseur Philae sur la com\u00e8te\u00a067P\/Churyumov-Gerasimenko, l’orbiteur Rosetta poursuit ses investigations. Une mosa\u00efque r\u00e9alis\u00e9e \u00e0 partir de 4 images prises le 20 novembre par la cam\u00e9ra de navigation NavCam de Rosetta r\u00e9v\u00e8le une augmentation du niveau d’activit\u00e9 de la com\u00e8te (qui se rapproche du Soleil), d’o\u00f9 s’\u00e9chappent des petits … Continuer la lecture de Gaz et poussi\u00e8re autour de la com\u00e8te 67P<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":1267,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[125,513,467,527,587,588,534,510,525,515,524,97,471],"class_list":["post-1265","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-atmosphere","tag-atterrisseur","tag-comete-churyumov-gerasimenko","tag-gaz","tag-mosaique","tag-navcam","tag-orbiteur","tag-philae","tag-pixel","tag-poussiere","tag-resolution","tag-soleil","tag-sonde-rosetta"],"yoast_head":"\nGaz et poussi\u00e8re autour de la com\u00e8te 67P<\/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\/2014\/11\/27\/gaz-poussiere-autour-comete-67p\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gaz et poussi\u00e8re autour de la com\u00e8te 67P\" \/>\n<meta property=\"og:description\" content=\"Alors que l’ESA cherche toujours \u00e0 localiser l’atterrisseur Philae sur la com\u00e8te\u00a067P\/Churyumov-Gerasimenko, l’orbiteur Rosetta poursuit ses investigations. Une mosa\u00efque r\u00e9alis\u00e9e \u00e0 partir de 4 images prises le 20 novembre par la cam\u00e9ra de navigation NavCam de Rosetta r\u00e9v\u00e8le une augmentation du niveau d’activit\u00e9 de la com\u00e8te (qui se rapproche du Soleil), d’o\u00f9 s’\u00e9chappent des petits … Continuer la lecture de Gaz et poussi\u00e8re autour de la com\u00e8te 67P →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/27\/gaz-poussiere-autour-comete-67p\/\" \/>\n<meta property=\"og:site_name\" content=\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\" \/>\n<meta property=\"article:published_time\" content=\"2014-11-27T16:15:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2014-12-01T12:30:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/comet12.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"899\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jean-Baptiste FELDMANN\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jean-Baptiste FELDMANN\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/27\/gaz-poussiere-autour-comete-67p\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/27\/gaz-poussiere-autour-comete-67p\/\",\"name\":\"Gaz et poussi\u00e8re autour de la com\u00e8te 67P\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/27\/gaz-poussiere-autour-comete-67p\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/27\/gaz-poussiere-autour-comete-67p\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/comet12.jpg\",\"datePublished\":\"2014-11-27T16:15:38+00:00\",\"dateModified\":\"2014-12-01T12:30:04+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/27\/gaz-poussiere-autour-comete-67p\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/27\/gaz-poussiere-autour-comete-67p\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/comet12.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/comet12.jpg\",\"width\":1200,\"height\":899},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/\",\"name\":\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\",\"description\":\""J'ai en moi un besoin terrible. 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