{"id":9945,"date":"2026-01-09T17:05:00","date_gmt":"2026-01-09T16:05:00","guid":{"rendered":"https:\/\/scienceetonnante.com\/blog\/?p=9945"},"modified":"2026-01-09T17:04:17","modified_gmt":"2026-01-09T16:04:17","slug":"fronde-gravitationnelle-singularites-et-points-de-lagrange","status":"publish","type":"post","link":"https:\/\/scienceetonnante.com\/blog\/2026\/01\/09\/fronde-gravitationnelle-singularites-et-points-de-lagrange\/","title":{"rendered":"Fronde gravitationnelle, singularit\u00e9s et points de Lagrange"},"content":{"rendered":"\n<p>Apr\u00e8s avoir couvert l&rsquo;histoire de la gravit\u00e9 dans la vid\u00e9o pr\u00e9c\u00e9dente, on s&rsquo;attaque cette fois \u00e0 quelques subtilit\u00e9s de la force de gravit\u00e9 newtonienne !<\/p>\n\n\n\n<p>Comme la derni\u00e8re fois, <a href=\"https:\/\/explorables.scienceetonnante.com\">les simulations sont \u00e0 retrouver ici<\/a>.<br><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Fronde gravitationnelle, Singularit\u00e9s et Points de Lagrange\" width=\"770\" height=\"433\" data-src=\"https:\/\/www.youtube.com\/embed\/xNuHtbrKwBY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" data-load-mode=\"1\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>Je me suis pas mal arrach\u00e9 les cheveux pour trouver des conditions initiales raisonnables pour la singularit\u00e9 de Xia. J&rsquo;ai m\u00eame \u00e9crit un algorithme d&rsquo;optimisation sp\u00e9cifique pour trouver la meilleure possible. On peut certainement faire beaucoup mieux, si vous y arrivez, n&rsquo;h\u00e9sitez pas \u00e0 m&rsquo;envoyer vos conditions initiales !<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s avoir couvert l&rsquo;histoire de la gravit\u00e9 dans la vid\u00e9o pr\u00e9c\u00e9dente, on s&rsquo;attaque cette fois \u00e0 quelques subtilit\u00e9s de la force de gravit\u00e9 newtonienne ! Comme la derni\u00e8re fois, les simulations sont \u00e0 retrouver ici. Je me suis pas mal arrach\u00e9 les cheveux pour trouver des conditions initiales raisonnables pour la singularit\u00e9 de Xia. J&rsquo;ai<\/p>\n","protected":false},"author":1,"featured_media":9947,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6],"tags":[40,30],"class_list":{"0":"post-9945","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-physique","8":"tag-astronomie","9":"tag-gravite"},"jetpack_featured_media_url":"https:\/\/scienceetonnante.com\/blog\/wp-content\/uploads\/2026\/01\/featured.png","jetpack_sharing_enabled":true,"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/posts\/9945","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/comments?post=9945"}],"version-history":[{"count":4,"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/posts\/9945\/revisions"}],"predecessor-version":[{"id":9950,"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/posts\/9945\/revisions\/9950"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/media\/9947"}],"wp:attachment":[{"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/media?parent=9945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/categories?post=9945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scienceetonnante.com\/blog\/wp-json\/wp\/v2\/tags?post=9945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}