{"id":1196,"date":"2026-07-31T16:54:51","date_gmt":"2026-07-31T14:54:51","guid":{"rendered":"https:\/\/www-new.ias.u-psud.fr\/?p=1196"},"modified":"2026-09-10T16:43:54","modified_gmt":"2026-09-10T14:43:54","slug":"majis","status":"publish","type":"post","link":"https:\/\/www.ias.u-psud.fr\/index.php\/2026\/07\/31\/majis\/","title":{"rendered":"MAJIS"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1196\" class=\"elementor elementor-1196\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-365d0f3 e-flex e-con-boxed e-con e-parent\" data-id=\"365d0f3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-84ab3f5 elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"84ab3f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/MAJIS.png\" class=\"attachment-large size-large wp-image-1229\" alt=\"\" srcset=\"https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/MAJIS.png 1024w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/MAJIS-300x300.png 300w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/MAJIS-150x150.png 150w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/MAJIS-768x768.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f4f600f e-flex e-con-boxed e-con e-parent\" data-id=\"f4f600f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ce05c8 elementor-widget elementor-widget-text-editor\" data-id=\"7ce05c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>MAJIS vu de c\u00f4t\u00e9 en bas \u00e0 gauche par la cam\u00e9ra de surveillance de JUICE. L&rsquo;image a \u00e9t\u00e9 acquise quelques minutes apr\u00e8s la s\u00e9paration du satellite du dernier \u00e9tage d&rsquo;Ariane 5 (ESA)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63f7b05 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"63f7b05\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">MAJIS<\/h1>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9b7c05e e-con e-atomic-element e-flexbox-base e-9b7c05e-607ee4c \" data-id=\"9b7c05e\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"9b7c05e\">\n    \t\t<div class=\"elementor-element elementor-element-d72e17c elementor-widget elementor-widget-text-editor\" data-id=\"d72e17c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Les objectifs principaux de la mission <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Jupiter_Icy_Moons_Explorer\">JUICE<\/a> (Jupiter Icy Moons Explorer) sont de r\u00e9aliser des observations d\u00e9taill\u00e9es de la plan\u00e8te g\u00e9ante Jupiter et de ses lunes glac\u00e9es (Ganym\u00e8de, Europe et Callisto) afin de mieux comprendre les processus physiques gouvernant le syst\u00e8me jovien et de contraindre l\u2019habitabilit\u00e9 des lunes glac\u00e9es.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5612ae1 e-flex e-con-boxed e-con e-parent\" data-id=\"5612ae1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4211889 elementor-widget elementor-widget-heading\" data-id=\"4211889\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Le r\u00f4le de l'IAS<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8d2c731 e-con e-atomic-element e-flexbox-base e-8d2c731-bc6f834 \" data-id=\"8d2c731\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"8d2c731\">\n    \t\t<div class=\"elementor-element elementor-element-10d0162 elementor-widget elementor-widget-text-editor\" data-id=\"10d0162\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>L\u2019IAS est responsable scientifique et technique du spectro-imageur visible et infrarouge <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Jupiter_Icy_Moons_Explorer#Spectrom%C3%A8tre_MAJIS\">MAJIS<\/a> (Moons And Jupiter Imaging Spectrometer), instrument majeur de la charge utile de JUICE. <a href=\"https:\/\/www.insu.cnrs.fr\/fr\/cnrsinfo\/majis-un-spectro-imageur-pour-explorer-jupiter-et-ses-lunes\">La livraison de l\u2019instrument<\/a> a \u00e9t\u00e9 effectu\u00e9e en 2021 et le lancement a eu lieu le 14 avril 2023 depuis Kourou \u00e0 bord d\u2019Ariane 5 pour une arriv\u00e9e en 2031 dans le syst\u00e8me jovien.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8f3f3bc e-flex e-con-boxed e-con e-parent\" data-id=\"8f3f3bc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-501114b e-con e-atomic-element e-flexbox-base e-501114b-466f057 \" data-id=\"501114b\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"501114b\">\n    \t\t<div class=\"elementor-element elementor-element-a2cacb6 elementor-widget elementor-widget-button\" data-id=\"a2cacb6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#en-savoir-plus\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">En savoir plus<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a181800 e-con e-atomic-element e-flexbox-base e-a181800-926350d \" data-id=\"a181800\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"a181800\">\n    \t\t<div class=\"elementor-element elementor-element-bc4a91b elementor-widget elementor-widget-n-accordion\" data-id=\"bc4a91b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1970\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1970\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Statut <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-up\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 256C8 119 119 8 256 8s248 111 248 248-111 248-248 248S8 393 8 256zm292 116V256h70.9c10.7 0 16.1-13 8.5-20.5L264.5 121.2c-4.7-4.7-12.2-4.7-16.9 0l-115 114.3c-7.6 7.6-2.2 20.5 8.5 20.5H212v116c0 6.6 5.4 12 12 12h64c6.6 0 12-5.4 12-12z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-down\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 137-111 248-248 248S8 393 8 256 119 8 256 8s248 111 248 248zM212 140v116h-70.9c-10.7 0-16.1 13-8.5 20.5l114.9 114.3c4.7 4.7 12.2 4.7 16.9 0l114.9-114.3c7.6-7.6 2.2-20.5-8.5-20.5H300V140c0-6.6-5.4-12-12-12h-64c-6.6 0-12 5.4-12 12z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1970\" class=\"elementor-element elementor-element-ffd0654 e-con-full e-flex e-con e-child\" data-id=\"ffd0654\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1e246f0 elementor-widget elementor-widget-text-editor\" data-id=\"1e246f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>En op\u00e9ration<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1971\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1971\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Partenaires (acad\u00e9miques \/ industriels) <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-up\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 256C8 119 119 8 256 8s248 111 248 248-111 248-248 248S8 393 8 256zm292 116V256h70.9c10.7 0 16.1-13 8.5-20.5L264.5 121.2c-4.7-4.7-12.2-4.7-16.9 0l-115 114.3c-7.6 7.6-2.2 20.5 8.5 20.5H212v116c0 6.6 5.4 12 12 12h64c6.6 0 12-5.4 12-12z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-down\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 137-111 248-248 248S8 393 8 256 119 8 256 8s248 111 248 248zM212 140v116h-70.9c-10.7 0-16.1 13-8.5 20.5l114.9 114.3c4.7 4.7 12.2 4.7 16.9 0l114.9-114.3c7.6-7.6 2.2-20.5-8.5-20.5H300V140c0-6.6-5.4-12-12-12h-64c-6.6 0-12 5.4-12 12z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1971\" class=\"elementor-element elementor-element-9ddd6cc e-con-full e-flex e-con e-child\" data-id=\"9ddd6cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f9b194f elementor-widget elementor-widget-image\" data-id=\"f9b194f\" data-element_type=\"widget\" data-e-type=\"widget\" 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data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.iaps.inaf.it\/en\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"279\" height=\"81\" src=\"https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/OIP-4061634852.jpg\" class=\"attachment-medium_large size-medium_large wp-image-1232\" alt=\"\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1972\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1972\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Financeurs <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-up\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 256C8 119 119 8 256 8s248 111 248 248-111 248-248 248S8 393 8 256zm292 116V256h70.9c10.7 0 16.1-13 8.5-20.5L264.5 121.2c-4.7-4.7-12.2-4.7-16.9 0l-115 114.3c-7.6 7.6-2.2 20.5 8.5 20.5H212v116c0 6.6 5.4 12 12 12h64c6.6 0 12-5.4 12-12z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-down\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 137-111 248-248 248S8 393 8 256 119 8 256 8s248 111 248 248zM212 140v116h-70.9c-10.7 0-16.1 13-8.5 20.5l114.9 114.3c4.7 4.7 12.2 4.7 16.9 0l114.9-114.3c7.6-7.6 2.2-20.5-8.5-20.5H300V140c0-6.6-5.4-12-12-12h-64c-6.6 0-12 5.4-12 12z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1972\" class=\"elementor-element elementor-element-977f54e e-con-full e-flex e-con e-child\" data-id=\"977f54e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8115898 elementor-widget elementor-widget-image\" data-id=\"8115898\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cnes.fr\/\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"648\" src=\"https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Logo_CNES_2017_triangulaire_bleu-768x648.png\" class=\"attachment-medium_large size-medium_large wp-image-583\" alt=\"\" srcset=\"https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Logo_CNES_2017_triangulaire_bleu-768x648.png 768w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Logo_CNES_2017_triangulaire_bleu-300x253.png 300w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Logo_CNES_2017_triangulaire_bleu.png 926w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e8e87b elementor-widget elementor-widget-image\" data-id=\"7e8e87b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.asi.it\/\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"489\" src=\"https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Agenzia_Spaziale_Italiana_ASI_pillars-2934122244-768x489.jpg\" class=\"attachment-medium_large size-medium_large wp-image-1243\" alt=\"\" srcset=\"https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Agenzia_Spaziale_Italiana_ASI_pillars-2934122244-768x489.jpg 768w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Agenzia_Spaziale_Italiana_ASI_pillars-2934122244-300x191.jpg 300w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Agenzia_Spaziale_Italiana_ASI_pillars-2934122244-1024x652.jpg 1024w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Agenzia_Spaziale_Italiana_ASI_pillars-2934122244-1536x978.jpg 1536w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/Agenzia_Spaziale_Italiana_ASI_pillars-2934122244.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6dbafd0 elementor-widget elementor-widget-image\" data-id=\"6dbafd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.esa.int\/\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"482\" src=\"https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/ESA_Logo_pillars-1892940653-768x482.jpg\" class=\"attachment-medium_large size-medium_large wp-image-1244\" alt=\"\" srcset=\"https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/ESA_Logo_pillars-1892940653-768x482.jpg 768w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/ESA_Logo_pillars-1892940653-300x188.jpg 300w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/ESA_Logo_pillars-1892940653-1024x643.jpg 1024w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/ESA_Logo_pillars-1892940653-1536x964.jpg 1536w, https:\/\/www.ias.u-psud.fr\/wp-content\/uploads\/2026\/07\/ESA_Logo_pillars-1892940653.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef70854 elementor-widget elementor-widget-text-editor\" data-id=\"ef70854\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Autres agences spatiales europ\u00e9ennes<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1973\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1973\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Dates cl\u00e9s (pr\u00e9v.) <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-up\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 256C8 119 119 8 256 8s248 111 248 248-111 248-248 248S8 393 8 256zm292 116V256h70.9c10.7 0 16.1-13 8.5-20.5L264.5 121.2c-4.7-4.7-12.2-4.7-16.9 0l-115 114.3c-7.6 7.6-2.2 20.5 8.5 20.5H212v116c0 6.6 5.4 12 12 12h64c6.6 0 12-5.4 12-12z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-down\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 137-111 248-248 248S8 393 8 256 119 8 256 8s248 111 248 248zM212 140v116h-70.9c-10.7 0-16.1 13-8.5 20.5l114.9 114.3c4.7 4.7 12.2 4.7 16.9 0l114.9-114.3c7.6-7.6 2.2-20.5-8.5-20.5H300V140c0-6.6-5.4-12-12-12h-64c-6.6 0-12 5.4-12 12z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1973\" class=\"elementor-element elementor-element-ae94f78 e-flex e-con-boxed e-con e-child\" data-id=\"ae94f78\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8a27ed9 elementor-widget elementor-widget-text-editor\" data-id=\"8a27ed9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>01\/09\/2013 \u2013 31\/12\/2037<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1974\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1974\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> \u00c9tapes cl\u00e9s <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-up\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 256C8 119 119 8 256 8s248 111 248 248-111 248-248 248S8 393 8 256zm292 116V256h70.9c10.7 0 16.1-13 8.5-20.5L264.5 121.2c-4.7-4.7-12.2-4.7-16.9 0l-115 114.3c-7.6 7.6-2.2 20.5 8.5 20.5H212v116c0 6.6 5.4 12 12 12h64c6.6 0 12-5.4 12-12z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-down\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 137-111 248-248 248S8 393 8 256 119 8 256 8s248 111 248 248zM212 140v116h-70.9c-10.7 0-16.1 13-8.5 20.5l114.9 114.3c4.7 4.7 12.2 4.7 16.9 0l114.9-114.3c7.6-7.6 2.2-20.5-8.5-20.5H300V140c0-6.6-5.4-12-12-12h-64c-6.6 0-12 5.4-12 12z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1974\" class=\"elementor-element elementor-element-4f265e0 e-flex e-con-boxed e-con e-child\" data-id=\"4f265e0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c404145 elementor-widget elementor-widget-text-editor\" data-id=\"c404145\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Conception\u00a0: 2013-2015<\/p><p>D\u00e9veloppement\u00a0: 2016-2021<\/p><p>Lancement\u00a0: 14 avril 2023<\/p><p>Croisi\u00e8re\u00a0: 2023-2031<\/p><p>Mission nominale\u00a0: 01\/01\/2031-31\/12\/2035<\/p><p>Mission \u00e9tendue\u00a0: 01\/01\/2036-31\/12\/2037<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-72b19574 e-con-full e-flex e-con e-parent\" data-id=\"72b19574\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-53a7b892 e-con-full e-flex e-con e-child\" data-id=\"53a7b892\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-13a0d604 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"13a0d604\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Contacts<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3108905 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"3108905\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">R\u00e9f\u00e9rents (scientifiques et techniques) <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c63b2a5 elementor-widget elementor-widget-text-editor\" data-id=\"1c63b2a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><a href=\"https:\/\/www.ias.u-psud.fr\/annuaire?nom=poulet\" target=\"_blank\" rel=\"noopener\">Fran\u00e7ois Poulet<\/a>, PI de MAJIS, Astronome, <span class=\"kY2IgmnCmOGjharHErah N56cWZpP8cNJu1dqgCxB\">\u00c9<\/span>quipe Physique du syst\u00e8me solaire et des syst\u00e8mes plan\u00e9taires<\/li><li><a href=\"https:\/\/www.ias.u-psud.fr\/annuaire\" target=\"_blank\" rel=\"noopener\">Cydalise Dumesnil<\/a>, Chef de projet, Ing\u00e9nieur, <span class=\"kY2IgmnCmOGjharHErah N56cWZpP8cNJu1dqgCxB\">\u00c9<\/span>quipe M\u00e9canique, Thermique et Cryog\u00e9nique<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fadb250 e-con-full e-flex e-con e-child\" data-id=\"fadb250\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a1fe6bb elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"a1fe6bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00c9quipe de travail <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62caa83 elementor-widget elementor-widget-text-editor\" data-id=\"62caa83\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li>Rosario Brunetto, soutien segment sol, Astrochimie<\/li><li>John Carter, op\u00e9rations, Physique du syst\u00e8me solaire et des syst\u00e8mes plan\u00e9taires<\/li><li>Pierre Dellova, IR, segment sol, IDOC<\/li><li>Marc Dexet, segment sol, IDOC<\/li><li>Cydalise Dumesnil, Chef de projet (BE), Ing\u00e9nieur, M\u00e9canique, Thermique et Cryog\u00e9nique<\/li><li>Yves Langevin, CNRS \u00c9m\u00e9rite, Physique du syst\u00e8me solaire et des syst\u00e8mes plan\u00e9taires<\/li><li>Jean-Christophe Le Clec&rsquo;h, Architecte thermique &amp; simulation (BE), Instrumentation<\/li><li>Nicolas Ligier, planning \/operations, IDOC<\/li><li>C\u00e9dric Pilorget, CoI, Physique du syst\u00e8me solaire et des syst\u00e8mes plan\u00e9taires<\/li><li>Fran\u00e7ois Poulet, Principal Investigator, Physique du syst\u00e8me solaire et des syst\u00e8mes plan\u00e9taires<\/li><li>Cl\u00e9ment Royer, CoI, Physique du syst\u00e8me solaire et des syst\u00e8mes plan\u00e9taires<\/li><li>Mathieu Vincendon, CoI, Physique du syst\u00e8me solaire et des syst\u00e8mes plan\u00e9taires<\/li><\/ul><p>\u00a0<\/p><ul><li>Nicolas Manaud, op\u00e9rations, Prestataire<\/li><li>Magali Mebsout, d\u00e9veloppement segment sol, cubes g\u00e9om\u00e9triques, Prestataire<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4d1b63a e-flex e-con-boxed e-con e-parent\" data-id=\"4d1b63a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5f9c533 elementor-widget elementor-widget-menu-anchor\" data-id=\"5f9c533\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"en-savoir-plus\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c40f0cd e-flex e-con-boxed e-con e-parent\" data-id=\"c40f0cd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-13f9b6c e-con e-atomic-element e-flexbox-base e-13f9b6c-7c572b7 \" data-id=\"13f9b6c\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"13f9b6c\">\n    \t\t<div class=\"elementor-element elementor-element-2a73571 elementor-widget elementor-widget-text-editor\" data-id=\"2a73571\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s11214-024-01057-2\"><strong>L\u2019instrument MAJIS et ses objectifs scientifiques<\/strong><\/a><\/p><p>MAJIS est un spectro-imageur hyperspectral couvrant la gamme spectrale 0,5 \u2013 5,56 \u00b5m, permettant d\u2019acqu\u00e9rir pour chaque pixel un spectre d\u00e9taill\u00e9.<\/p><p>MAJIS contribue \u00e0 des objectifs majeurs de JUICE :<\/p><ul><li>caract\u00e9risation de la composition des surfaces glac\u00e9es,<\/li><li>\u00e9tude des \u00e9changes surface\u2013int\u00e9rieur,<\/li><li>identification d\u2019indices d\u2019habitabilit\u00e9,<\/li><li>analyse des processus g\u00e9ologiques,<\/li><li>compr\u00e9hension des processus d\u2019alt\u00e9ration de surface<\/li><li>\u00e9tude de l\u2019atmosph\u00e8re de Jupiter.<\/li><\/ul><p><strong>Phase de croisi\u00e8re<\/strong><\/p><p>JUICE est actuellement en phase de croisi\u00e8re. Cette phase constitue une \u00e9tape essentielle pour la validation en vol de MAJIS. Elle permet :<\/p><ul><li>la v\u00e9rification des performances radiom\u00e9triques, spectrales et g\u00e9om\u00e9triques,<\/li><li>la validation des modes d\u2019observation et des outils du segment sol,<\/li><li>la pr\u00e9paration des cha\u00eenes de traitement des donn\u00e9es.<\/li><\/ul><p>Les observations r\u00e9alis\u00e9es sur des objets r\u00e9solus spatialement lors des survols plan\u00e9taires sont de grand int\u00e9r\u00eat car elles permettent d\u2019obtenir des donn\u00e9es couvrant une large gamme de conditions d\u2019\u00e9clairement et de g\u00e9om\u00e9trie dans les conditions de vol ce qui \u00e9tait impossible lors des tests de validation au sol avant le lancement.<\/p><p><a href=\"https:\/\/www.esa.int\/Science_Exploration\/Space_Science\/Juice\"><strong>Survol Lune\u2013Terre (ao\u00fbt 2024)<\/strong><\/a><\/p><p>Lors de l\u2019assistance gravitationnelle combin\u00e9e des 19\u201320 ao\u00fbt 2024, MAJIS a acquis plusieurs cubes hyperspectraux sur la Lune et la Terre.<\/p><p>Objectifs :<\/p><ul><li>validation en vol des performances instrumentales,<\/li><li>tests en conditions de flux \u00e9lev\u00e9 et de grande dynamique,<\/li><li>\u00e9valuation de la lumi\u00e8re parasite et des effets de saturation.<\/li><\/ul><p>R\u00e9sultats principaux :<\/p><ul><li>observations lunaires avec une r\u00e9solution spatiale jusqu\u2019\u00e0 ~100\u2013150 m,<\/li><li>acc\u00e8s simultan\u00e9 \u00e0 la r\u00e9flectance et \u00e0 l\u2019\u00e9mission thermique jusqu\u2019\u00e0 5,56 \u00b5m,<\/li><li>observations de la Terre couvrant des g\u00e9om\u00e9tries jour\/nuit,<\/li><li>d\u00e9tection de signatures atmosph\u00e9riques et caract\u00e9risation de la microphysique des nuages,<\/li><li>validation des performances radiom\u00e9triques et g\u00e9om\u00e9triques.<\/li><\/ul><p>Ces donn\u00e9es ont constitu\u00e9 une \u00e9tape cl\u00e9 dans la qualification en vol de l\u2019instrument et dans la pr\u00e9paration des observations des lunes glac\u00e9es. Les r\u00e9sultats sont pr\u00e9sent\u00e9s dans une s\u00e9rie de papiers disponibles \u00e0 <a href=\"https:\/\/angeo.copernicus.org\/articles\/44\/163\/2026\/\">ce lien<\/a>.<\/p><p><strong>Prochain survol\u00a0de la Terre : 28\/09\/2026<\/strong><\/p><p><a href=\"https:\/\/cnes.fr\/communiques\/linstrument-majis-bord-de-mission-juice-croise-route-voyageur-interstellaire-3iatlas\"><strong>Observation de la com\u00e8te interstellaire 3I\/ATLAS en novembre 2025<\/strong><\/a><\/p><p>Au cours de la croisi\u00e8re, MAJIS a pu observer la com\u00e8te interstellaire 3I\/ATLAS, dans le cadre d\u2019une campagne coordonn\u00e9e avec les autres instruments de JUICE.<\/p><p>Contexte :<\/p><ul><li>objet d\u2019origine extrasolaire,<\/li><li>conditions d\u2019observation contraignantes (distance, g\u00e9om\u00e9trie, contraintes thermiques),<\/li><li>opportunit\u00e9 unique d\u2019\u00e9tude d\u2019un mat\u00e9riau primitif.<\/li><\/ul><p>Apports de MAJIS :<\/p><ul><li>analyse spectrale de la coma,<\/li><li>identification de glaces volatiles et de compos\u00e9s organiques.<\/li><\/ul><p>Ces observations d\u00e9montrent la capacit\u00e9 de MAJIS \u00e0 exploiter des opportunit\u00e9s scientifiques en dehors du c\u0153ur de mission jovien et ont permis de valider les modes de fonctionnement faible signal de l\u2019instrument.<\/p><p>Consortium\u00a0:<br \/>MAJIS est d\u00e9velopp\u00e9 dans le cadre d\u2019un consortium international impliquant notamment la France et l\u2019Italie, avec le soutien du CNES, de l\u2019ASI et de l\u2019ESA.<\/p><p>L\u2019IAS assure la responsabilit\u00e9 scientifique et technique de MAJIS. L\u2019IAPS (Italie) est CoPI de l\u2019instrument. L\u2019\u00e9quipe scientifique r\u00e9unit des CoIs provenant de 7 pays. En France, le LPG (OSUNA) et le LAB (OSUA) participent aux op\u00e9rations instrumentales, le LIRA (Observatoire de Paris) est en charge de la production des cubes g\u00e9om\u00e9triques.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les objectifs principaux de la mission JUICE (Jupiter Icy Moons Explorer) sont de r\u00e9aliser des observations d\u00e9taill\u00e9es de la plan\u00e8te g\u00e9ante Jupiter et de ses lunes glac\u00e9es (Ganym\u00e8de, Europe et Callisto) afin de mieux comprendre les processus physiques gouvernant le syst\u00e8me jovien et de contraindre l\u2019habitabilit\u00e9 des lunes glac\u00e9es.<\/p>\n","protected":false},"author":3,"featured_media":1229,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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