{"id":402,"date":"2017-10-12T09:00:00","date_gmt":"2017-10-12T07:00:00","guid":{"rendered":"https:\/\/kids.esa.int\/sentinel-5p_satellite_helps_our_planet_stay_healthy\/"},"modified":"2026-10-08T00:27:46","modified_gmt":"2026-10-07T22:27:46","slug":"sentinel-5p_satellite_helps_our_planet_stay_healthy","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fr\/sentinel-5p_satellite_helps_our_planet_stay_healthy\/","title":{"rendered":"Le satellite Sentinelle 5P veille sur la sant\u00e9 de notre plan\u00e8te"},"content":{"rendered":"<div class=\"lede\">\n<p>L\u2019ESA se pr\u00e9pare \u00e0 lancer un nouveau satellite baptis\u00e9 Sentinelle 5P. C\u2019est le dernier membre de la famille de satellites Sentinelle en orbite autour de notre Terre. Leur mission, qui consiste \u00e0 surveiller notre plan\u00e8te, permet d\u2019assurer la sant\u00e9 et la s\u00e9curit\u00e9 de la Terre et de ses habitants !<\/p>\n<\/div>\n<p>Sentinelle 5P va \u00e9voluer en orbite \u00e0 environ 824 km au-dessus de la Terre, soit quasiment deux fois plus haut que la Station spatiale internationale ! De la taille d\u2019une voiture, le satellite sera en activit\u00e9 pour une dur\u00e9e d\u2019au moins sept ans.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA\/ATG medialab\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/10\/Instruments_onboard_the_satellite_will_study_Earth_s_air_to_check_how_clean_it_is\" 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\/2017\/10\/instruments_onboard_the_satellite_will_study_earth_s_air_to_check_how_clean_it_is\/17909715-2-eng-GB\/Instruments_onboard_the_satellite_will_study_Earth_s_air_to_check_how_clean_it_is.png\" alt=\"Instruments onboard the satellite will study Earth\u2019s air to check how clean it is\"><figcaption>Les instruments embarqu\u00e9s \u00e0 bord du satellite \u00e9tudieront l'air terrestre afin d'\u00e9valuer son niveau de puret\u00e9<\/figcaption><\/figure>\n<p>Sentinelle 5P est sp\u00e9cialis\u00e9 dans la surveillance de la pollution atmosph\u00e9rique. L\u2019atmosph\u00e8re est la couche d\u2019air qui entoure notre plan\u00e8te. Elle nous fournit l\u2019air que nous respirons chaque jour ; c\u2019est pourquoi sa propret\u00e9 est d\u2019une importance capitale !<\/p>\n<p>Pour \u00e9tudier l\u2019atmosph\u00e8re terrestre, Sentinelle 5P dispose d\u2019un instrument de haute technologie appel\u00e9 Tropomi, qui est capable de mesurer les gaz atmosph\u00e9riques comme le dioxyde d\u2019azote, l\u2019ozone, le m\u00e9thane ou le monoxyde de carbone. Tous ces gaz sont pr\u00e9sents dans l\u2019air que nous respirons et, en trop grande quantit\u00e9, certains d\u2019entre eux peuvent impacter notre sant\u00e9 et le climat de notre plan\u00e8te.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA\/ATG medialab\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/10\/Sentinel-5P_will_orbit_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\/2017\/10\/sentinel-5p_will_orbit_earth\/17886507-2-eng-GB\/Sentinel-5P_will_orbit_Earth.jpg\" alt=\"Sentinel-5P will orbit Earth\"><figcaption>Sentinel-5P sera en orbite autour de la Terre<\/figcaption><\/figure>\n<p>Sentinelle 5P \u00e9voluera en orbite constante autour de la Terre. Chaque jour, ses capteurs analyseront l\u2019ensemble de notre plan\u00e8te. Nous disposerons ainsi d\u2019informations actualis\u00e9es sur notre atmosph\u00e8re et son \u00e9volution. La communaut\u00e9 scientifique utilisera les donn\u00e9es collect\u00e9es par Sentinelle 5P pour mieux comprendre l\u2019\u00e9tat de notre atmosph\u00e8re, pr\u00e9server la sant\u00e9 de la Terre et, peut-\u00eatre, faire de nouvelles d\u00e9couvertes !<\/p>\n<p><b>Fait int\u00e9ressant :<\/b> En cas d'\u00e9ruption volcanique, Sentinel-5P suivra les cendres projet\u00e9es dans l'atmosph\u00e8re, surveillera leur trajectoire et avertira les avions afin qu'ils les \u00e9vitent.<\/p>","protected":false},"excerpt":{"rendered":"<p>ESA is preparing to launch a new satellite, called Sentinel-5P. It will be the latest member of a whole family of Sentinel satellites orbiting Earth. Their mission is to watch [&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\/2017\/10\/sentinel-5p_is_in_the_background_behind_lots_of_mission_scientists_and_engineers\/17880957-2-eng-GB\/Sentinel-5P_is_in_the_background_behind_lots_of_mission_scientists_and_engineers.jpg","esa_banner_description":"Sentinel-5P is in the background, behind lots of mission scientists and engineers","esa_banner_credit":"Intespace\/Airbus Defence and Space","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/10\/Sentinel-5P_is_in_the_background_behind_lots_of_mission_scientists_and_engineers","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-402","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\/402","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=402"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/402\/revisions"}],"predecessor-version":[{"id":4445,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/402\/revisions\/4445"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/media?parent=402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/categories?post=402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/tags?post=402"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/panel?post=402"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/language?post=402"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/age?post=402"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/duration?post=402"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/resource_type?post=402"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/audience?post=402"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/wf_post_folders?post=402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}