{"id":1148,"date":"2024-10-24T11:55:37","date_gmt":"2024-10-24T09:55:37","guid":{"rendered":"https:\/\/www.minesparis.psl.eu\/persee\/?post_type=actualites&#038;p=1148"},"modified":"2025-09-25T15:22:14","modified_gmt":"2025-09-25T13:22:14","slug":"le-plasma-thermique-aide-a-letude-de-la-formation-des-planetes","status":"publish","type":"actualites","link":"https:\/\/www.minesparis.psl.eu\/persee\/actualites\/le-plasma-thermique-aide-a-letude-de-la-formation-des-planetes\/","title":{"rendered":"Le plasma thermique aide \u00e0 l\u2019\u00e9tude de la formation des plan\u00e8tes"},"content":{"rendered":"\n<div class=\"container block-full-largeur\">\n\t<div class=\"row mt-4\">\n\t\t<div class=\"col-md-12\">\n\t\t\t<p><span class=\"break-words tvm-parent-container\"><span dir=\"ltr\">Le groupe TEP est ravi d\u2019annoncer la publication d\u2019un article intitul\u00e9 :\n<em><strong>\u00ab\u00a0Formation de poussi\u00e8re \u00e0 haute temp\u00e9rature dans des environnements astrophysiques riches en carbone\u00a0\u00bb dans Nature Astronomy.<\/strong><\/em><\/span><\/span><\/p>\n<p>Des chercheurs de Mines Paris (PSL), d\u2019Universit\u00e9 C\u00f4te d\u2019Azur (UniCA), de l\u2019Observatoire de la C\u00f4te d\u2019Azur (OCA) et de l\u2019ENS-Lyon ont utilis\u00e9 une torche \u00e0 plasma thermique de grand volume pour simuler exp\u00e9rimentalement des processus de condensation \u00e0 haute temp\u00e9rature op\u00e9rant dans les enveloppes circumstellaires d\u2019\u00e9toiles riches en carbone.<\/p>\n<p>Sur la base des phases condens\u00e9es et de leurs propri\u00e9t\u00e9s optiques, <strong>ils ont pu d\u00e9montrer la faisabilit\u00e9 de pr\u00e9dire la min\u00e9ralogie des poussi\u00e8res form\u00e9es dans les environnements d\u2019\u00e9toiles<\/strong> de type AGB. Cette approche ouvre de nouvelles perspectives pour quantifier la formation et la composition des poussi\u00e8res et ce, dans divers environnements astrophysiques. Ces travaux sont d\u00e9crits dans un article paru dans la revue Nature Astronomy le 23 octobre 2024.<\/p>\n<p><a href=\"https:\/\/www.nature.com\/articles\/s41550-024-02393-7\" target=\"_blank\" rel=\"noopener\">Lien vers la publication<\/a><\/p>\n\t\t<\/div>\n\t<\/div>\n<\/div>","protected":false},"featured_media":4428,"template":"","actualites-formats":[],"actualites-thematiques":[17],"class_list":["post-1148","actualites","type-actualites","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le plasma thermique aide \u00e0 l\u2019\u00e9tude de la formation des plan\u00e8tes - PERSEE Mines Paris - PSL<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.minesparis.psl.eu\/persee\/actualites\/le-plasma-thermique-aide-a-letude-de-la-formation-des-planetes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le plasma thermique aide \u00e0 l\u2019\u00e9tude de la formation des plan\u00e8tes - 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