{"id":63,"date":"2023-01-15T23:30:54","date_gmt":"2023-01-15T22:30:54","guid":{"rendered":"https:\/\/www.kbj-modele.fr\/?p=63"},"modified":"2024-07-04T10:38:40","modified_gmt":"2024-07-04T08:38:40","slug":"gravitation","status":"publish","type":"post","link":"https:\/\/www.kbj-modele.fr\/index.php\/2023\/01\/15\/gravitation\/","title":{"rendered":"Gravitation"},"content":{"rendered":"\n<p>La vitesse de la lumi\u00e8re dans le vide (c&rsquo;est la vitesse de transfert) est ind\u00e9pendante de la vitesse de la source comme du r\u00e9f\u00e9rentiel inertiel de l&rsquo;observateur.<\/p>\n\n\n\n<p><em>Mais,<\/em> Albert Einstein l&rsquo;avait envisag\u00e9, la vitesse de propagation de la lumi\u00e8re est sujette \u00e0 variations.<\/p>\n\n\n\n<div style=\"height:7px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>En pr\u00e9sence d&rsquo;un objet mat\u00e9riel (d&rsquo;une masse), la vitesse de transfert est d&rsquo;autant plus petite que la masse est plus grande et qu&rsquo;on se trouve plus pr\u00e8s d&rsquo;elle. Ce qu&rsquo;on pourrait appeler <strong>fluidit\u00e9<\/strong> de l&rsquo;espace d\u00e9pend donc de la pr\u00e9sence de masses, et elle est faible au sein des masses. Cette variation de la vitesse de transfert est due \u00e0 une variation de l&rsquo;\u00e9coulement du temps.<\/p>\n\n\n\n<p>C&rsquo;est ce ph\u00e9nom\u00e8ne qui serait \u00e0 l&rsquo;origine de la <strong>gravitation<\/strong>, et elle ob\u00e9it \u00e0 la loi de Newton dans les conditions o\u00f9 elle est mesurable \u2013&nbsp;et <strong>pour des objets se d\u00e9pla\u00e7ant \u00e0 faible vitesse<\/strong>.<\/p>\n\n\n\n<p>Cependant, pour des <strong>objets mat\u00e9riels tr\u00e8s petits<\/strong> (\u00e9chelle quantique), la force d&rsquo;attraction serait d&rsquo;autant plus \u00e9lev\u00e9e par rapport \u00e0 la loi de Newton que la distance est plus faible.<\/p>\n\n\n\n<div style=\"height:7px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Si, \u00e0 masse \u00e9gale, un objet appara\u00eet plus petit quand il est plus dense, cela tiendrait \u00e0 <strong>la trajectoire du transfert<\/strong>. Cette trajectoire d\u00e9pendrait de la densit\u00e9 de l&rsquo;objet, et elle serait d&rsquo;autant plus d\u00e9form\u00e9e que l&rsquo;objet est plus dense.<\/p>\n\n\n\n<p>La forme des courbes de vitesse orbitale autour d&rsquo;un objet de densit\u00e9 tr\u00e8s \u00e9lev\u00e9e s&rsquo;expliquerait ainsi sans que l&rsquo;hypoth\u00e8se de l&rsquo;existence d&rsquo;une <em><strong>mati\u00e8re noire<\/strong><\/em> soit n\u00e9cessaire.<\/p>\n\n\n\n<div style=\"height:7px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>La pr\u00e9sence de masses serait ainsi \u00e0 l&rsquo;origine d&rsquo;une <strong>courbure de l&rsquo;espace<\/strong> sous le double effet de la masse (variation de la vitesse de transfert) et de la densit\u00e9 des objets (d\u00e9formation de la trajectoire du transfert).<\/p>\n\n\n\n<div style=\"height:7px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>La forme que prendrait la loi de gravitation pour des objets mat\u00e9riels \u00e0 la fois <strong>tr\u00e8s petits et de densit\u00e9 tr\u00e8s \u00e9lev\u00e9e<\/strong> pourrait donc s&rsquo;\u00e9carter notablement de la loi admise.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La vitesse de la lumi\u00e8re dans le vide (c&rsquo;est la vitesse de transfert) est ind\u00e9pendante de la vitesse de la source comme du r\u00e9f\u00e9rentiel inertiel de l&rsquo;observateur. Mais, Albert Einstein l&rsquo;avait envisag\u00e9, la vitesse de propagation de la lumi\u00e8re est sujette \u00e0 variations. En pr\u00e9sence d&rsquo;un objet mat\u00e9riel (d&rsquo;une masse), la vitesse de transfert est &#8230; <a title=\"Gravitation\" class=\"read-more\" href=\"https:\/\/www.kbj-modele.fr\/index.php\/2023\/01\/15\/gravitation\/\" aria-label=\"En savoir plus sur Gravitation\">Lire la suite<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-63","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gravitation - Mod\u00e8le MEGA<\/title>\n<meta name=\"description\" content=\"Th\u00e9orie MEGA. 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