{"id":485,"date":"2016-04-26T07:43:00","date_gmt":"2016-04-26T05:43:00","guid":{"rendered":"https:\/\/kids.esa.int\/satellite_twin_sentinel-1b_launched_into_space\/"},"modified":"2026-10-08T00:28:45","modified_gmt":"2026-10-07T22:28:45","slug":"satellite_twin_sentinel-1b_launched_into_space","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fr\/satellite_twin_sentinel-1b_launched_into_space\/","title":{"rendered":"Le satellite Sentinelle 1B rejoint son jumeau dans l\u2019espace"},"content":{"rendered":"<div class=\"lede\">\n<p>Sentinelle 1B, un satellite de haute technologie de l\u2019ESA, a \u00e9t\u00e9 lanc\u00e9 hier dans l\u2019espace ! Il a d\u00e9coll\u00e9 avec succ\u00e8s depuis le port spatial de l\u2019Europe \u00e0 Kourou, en Guyane fran\u00e7aise, gr\u00e2ce \u00e0 un puissant lanceur Soyouz.<\/p>\n<\/div>\n<p>Sentinelle 1B poss\u00e8de un jumeau identique baptis\u00e9 Sentinelle 1A, d\u00e9j\u00e0 en orbite autour de la Terre. Les deux satellites vont d\u00e9sormais survoler notre plan\u00e8te en \u00e9voluant syst\u00e9matiquement du c\u00f4t\u00e9 oppos\u00e9. Quand un satellite Sentinelle se trouvera du c\u00f4t\u00e9 de la Terre \u00e9clair\u00e9 par le Soleil, le deuxi\u00e8me se trouvera \u00e0 l'oppos\u00e9, du c\u00f4t\u00e9 obscur. Ils pourront ainsi surveiller la Terre en duo bien plus efficacement qu\u2019en solo !<\/p>\n<p>Les satellites Sentinelle incluent des \u00e9quipements avanc\u00e9s comme un syst\u00e8me radar leur permettant de capturer des photos de la surface terrestre \u00e0 travers les nuages ou la pluie. Ils pourront ainsi surveiller l\u2019\u00e9volution des calottes de glace polaire, suivre la progression des mar\u00e9es noires, cartographier les zones foresti\u00e8res, \u00e9valuer la sant\u00e9 de la vie marine et bien plus encore !<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/04\/CubeSat_orbiting_Earth\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2016\/04\/cubesat_orbiting_earth\/17911380-2-eng-GB\/CubeSat_orbiting_Earth.jpg\" alt=\"\"><\/figure>\n<p>Trois mini-satellites CubeSats ont \u00e9galement rejoint l\u2019espace en compagnie de Sentinelle 1B. Comme leur nom l\u2019indique, ces tout petits satellites poss\u00e8dent la forme d\u2019un cube, et leurs c\u00f4t\u00e9s ne mesurent pas plus de 10 cm de long. Leur taille compacte et leur l\u00e9g\u00e8ret\u00e9 en facilitent le lancement tout en r\u00e9duisant les co\u00fbts.<\/p>\n<p>Les trois CubeSats lanc\u00e9s avec Sentinelle 1B ont \u00e9t\u00e9 con\u00e7us par des \u00e9tudiants universitaires collaborant avec l\u2019ESA dans le cadre du programme \u00ab Faites voler votre satellite ! \u00bb. Ces mini-satellites leur donneront l\u2019occasion de r\u00e9aliser des exp\u00e9riences fascinantes, comme le test de cellules solaires produisant de l\u2019\u00e9nergie \u00e0 partir des rayons du Soleil.<\/p>\n<p><b>Fait int\u00e9ressant :<\/b> Un quatri\u00e8me satellite a \u00e9galement \u00e9t\u00e9 embarqu\u00e9 \u00e0 bord de Sentinel-1B. Baptis\u00e9 MicroSCOPE, il a \u00e9t\u00e9 con\u00e7u par le Centre national d'\u00e9tudes spatiales (CNES) et servira \u00e0 mener des exp\u00e9riences de physique.<\/p>","protected":false},"excerpt":{"rendered":"<p>A high-tech ESA satellite called Sentinel-1B was successfully launched into space yesterday! Blast-off was from Europe\u2019s Spaceport in Kourou, French Guiana, using a powerful Soyuz rocket. Sentinel-1B has an identical [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2016\/04\/sentinel-1b_lift_off\/18248585-2-eng-GB\/Sentinel-1b_lift_off.jpg","esa_banner_description":"","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/04\/Sentinel-1b_lift_off","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-485","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/comments?post=485"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/485\/revisions"}],"predecessor-version":[{"id":4510,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/485\/revisions\/4510"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/media?parent=485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/categories?post=485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/tags?post=485"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/panel?post=485"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/language?post=485"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/age?post=485"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/duration?post=485"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/resource_type?post=485"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/audience?post=485"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/wf_post_folders?post=485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}