{"id":216,"date":"2020-04-14T09:27:15","date_gmt":"2020-04-14T07:27:15","guid":{"rendered":"https:\/\/kids.esa.int\/what_is_an_exoplanet\/"},"modified":"2026-10-08T00:25:37","modified_gmt":"2026-10-07T22:25:37","slug":"what_is_an_exoplanet","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fr\/what_is_an_exoplanet\/","title":{"rendered":"Que sont les exoplan\u00e8tes?"},"content":{"rendered":"<div class=\"lede\">\n<p>Le\u00a0<a href=\"https:\/\/www.esa.int\/kids\/en\/learn\/Our_Universe\/Planets_and_moons\/The_Solar_System_and_its_planets\" target=\"_blank\" rel=\"noopener\">Syst\u00e8me solaire<\/a>\u00a0comprend huit plan\u00e8tes en orbite autour de notre \u00e9toile,\u00a0<a href=\"https:\/\/www.esa.int\/kids\/en\/learn\/Our_Universe\/The_Sun\/Our_nearest_star\" target=\"_blank\" rel=\"noopener\">le Soleil<\/a>. Mais saviez-vous qu'il existe bien d'autres plan\u00e8tes dans l'espace, en orbite autour de la\u00a0<a href=\"https:\/\/www.esa.int\/kids\/en\/learn\/Our_Universe\/Stars_and_galaxies\/Stars\" target=\"_blank\" rel=\"noopener\">\u00e9toiles<\/a>\u00a0que l'on voit la nuit ? On les appelle des plan\u00e8tes extrasolaires, ou \u00ab exoplan\u00e8tes \u00bb en abr\u00e9g\u00e9.<\/p>\n<p>D\u00e9couvrir des exoplan\u00e8tes est tr\u00e8s difficile. Elles sont tellement \u00e9loign\u00e9es que nous ne pouvons tout simplement pas les observer au moyen d'un t\u00e9lescope standard. Elles sont en outre vraiment minuscules, compar\u00e9es aux \u00e9toiles autour desquelles elles tournent. Les astronomes chasseurs d'exoplan\u00e8tes doivent par cons\u00e9quent utiliser des techniques plus astucieuses !<\/p>\n<\/div>\n<h2>Regarder <\/h2>\n<p>D\u00e9couvrons-en davantage sur les exoplan\u00e8tes et les techniques utilis\u00e9es pour les d\u00e9couvrir :<\/p>\n<figure class=\"wp-block-embed is-type-video\"><iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/WOD1hT0fhyw\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/figure>\n<h2>Quiz<\/h2>\n<figure class=\"wp-block-embed is-type-video\"><iframe src=\"https:\/\/paxigames.esa.int\/Games\/Trivia\/trivia.html?lan=en&#038;topic=8\" height=\"900\" width=\"500\" scrolling=\"no \"allowfullscreen=\"true\" webkitallowfullscreen=\"true\" mozallowfullscreen=\"true\" ><\/iframe><\/figure>\n<h2>Faire <\/h2>\n<p>Cr\u00e9er un\u00a0<a href=\"http:\/\/www.esa.int\/kids\/en\/things_to_do\/Build_your_own\/Build_your_own_Cheops_spacecraft\" target=\"_blank\" rel=\"noopener\">Maquette de Kh\u00e9ops<\/a><\/p>\n<p>Cr\u00e9er un\u00a0<a href=\"http:\/\/www.esa.int\/kids\/en\/things_to_do\/Build_your_own\/Build_your_own_Gaia_spacecraft\" target=\"_blank\" rel=\"noopener\">Mod\u00e8le Gaia<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The\u00a0Solar System\u00a0contains eight planets orbiting our local star,\u00a0the Sun. But did you know that there are many, many more planets out there in space, orbiting the\u00a0stars\u00a0we see at night? These [&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\/2019\/12\/paxi_explores_exoplanets\/21515859-1-eng-GB\/Paxi_explores_exoplanets.gif","esa_banner_description":"","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2019\/12\/Paxi_explores_exoplanets","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":[10,36],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-216","post","type-post","status-publish","format-standard","hentry","category-learn","category-lessons","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/216","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=216"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/216\/revisions"}],"predecessor-version":[{"id":1359,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/216\/revisions\/1359"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/media?parent=216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/categories?post=216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/tags?post=216"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/panel?post=216"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/language?post=216"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/age?post=216"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/duration?post=216"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/resource_type?post=216"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/audience?post=216"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/wf_post_folders?post=216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}