{"id":961,"date":"2004-11-15T14:04:00","date_gmt":"2004-11-15T13:04:00","guid":{"rendered":"https:\/\/kids.esa.int\/the_milky_way\/"},"modified":"2026-10-08T00:34:15","modified_gmt":"2026-10-07T22:34:15","slug":"the_milky_way","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fr\/the_milky_way\/","title":{"rendered":"La Voie Lact\u00e9e"},"content":{"rendered":"<div class=\"lede\">\n<p>Nous vivons dans l'un des bras d'une vaste galaxie en spirale appel\u00e9e la Voie Lact\u00e9e. Le Soleil et ses plan\u00e8tes (dont la Terre) se trouvent dans cette partie paisible de la galaxie, \u00e0 mi-chemin du centre.<\/p>\n<\/div>\n<p>La Voie lact\u00e9e a la forme d'un immense tourbillon qui effectue une rotation compl\u00e8te tous les 200 millions d'ann\u00e9es. Elle est compos\u00e9e d'au moins 100 milliards d'\u00e9toiles, ainsi que de poussi\u00e8re et de gaz. Elle est si grande que la lumi\u00e8re met<br \/>Il faut 100 000 ans pour passer d'un c\u00f4t\u00e9 \u00e0 l'autre.<\/p>\n<p>Le centre de la Galaxie est difficile \u00e0 observer \u00e0 cause des nuages de gaz et de poussi\u00e8re qui nous bouchent la vue. Les scientifiques pensent qu'elle renferme un trou noir super massif qui avale tout ce qui passe \u00e0 sa port\u00e9e.<\/p>\n<p>\u00c0 l'ext\u00e9rieur de la spirale principale se trouvent environ 200 amas d'\u00e9toiles de forme sph\u00e9rique. Chaque \u2018 amas globulaire \u2019 est tr\u00e8s ancien et contient jusqu'\u00e0 un million d'\u00e9toiles. La Voie lact\u00e9e fait partie d'un amas d'au moins 40 galaxies. Le \u00ab Groupe local \u00bb comprend deux grandes galaxies spirales : la Voie lact\u00e9e et Androm\u00e8de.<\/p>\n<p>Les autres sont bien plus petites. Elles incluent deux galaxies que l'on peut observer \u00e0 l'oeil nu dans les pays au sud de l'\u00e9quateur. Ce sont les galaxies des Nuages de Magellan, baptis\u00e9es d'apr\u00e8s le nom de l'explorateur portugais Ferdinand Magellan.<\/p>","protected":false},"excerpt":{"rendered":"<p>We live in one of the arms of a large spiral galaxy called the Milky Way. The Sun and its planets (including Earth) lie in this quiet part of the [&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\/2003\/05\/gro_ji655-40_a_black_hole_hurtles_across_the_plane_of_the_milky_way2\/17911787-2-eng-GB\/GRO_JI655-40_a_black_hole_hurtles_across_the_plane_of_the_Milky_Way.jpg","esa_banner_description":"GRO JI655-40, a black hole hurtles across the plane of the Milky Way","esa_banner_credit":"European Space Agency, NASA and Felix Mirabel (the French Atomic Energy Commission & the Institute for Astronomy and Space Physics\/Conicet of Argentina)","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/05\/GRO_JI655-40_a_black_hole_hurtles_across_the_plane_of_the_Milky_Way2","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":[10,11,21],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-961","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-stars-and-galaxies","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/961","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=961"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/961\/revisions"}],"predecessor-version":[{"id":2104,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/961\/revisions\/2104"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/media?parent=961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/categories?post=961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/tags?post=961"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/panel?post=961"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/language?post=961"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/age?post=961"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/duration?post=961"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/resource_type?post=961"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/audience?post=961"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/wf_post_folders?post=961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}