{"id":117,"date":"2013-12-19T14:05:47","date_gmt":"2013-12-19T19:05:47","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=117"},"modified":"2014-01-15T11:17:54","modified_gmt":"2014-01-15T16:17:54","slug":"une-balance-spectroscopique-pour-les-exoplanetes","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/une-balance-spectroscopique-pour-les-exoplanetes\/","title":{"rendered":"Une balance spectroscopique pour les exoplan\u00e8tes"},"content":{"rendered":"<p>Des chercheurs peuvent maintenant estimer la masse d\u2019une exoplan\u00e8te juste en la regardant, ou plut\u00f4t en analysant la lumi\u00e8re passant \u00e0 travers son atmosph\u00e8re. Le principe de cette nouvelle technique se fonde sur le fait que les longueurs d\u2019onde de la lumi\u00e8re sont affect\u00e9es par la pression atmosph\u00e9rique qui elle-m\u00eame est li\u00e9e \u00e0 la masse de la plan\u00e8te. Cette technique sera utile aux astronomes afin de d\u00e9terminer si une plan\u00e8te est gazeuse ou rocheuse, notamment quand les m\u00e9thodes traditionnelles (tenant compte de la vitesse radiale) ne peuvent \u00eatre utilis\u00e9es.<\/p>\n<p><!--more--><\/p>\n<p>Pour lire l&#8217;article publi\u00e9 le 19 d\u00e9cembre 2013 dans <em>Science<\/em>, cliquez\u00a0<a href=\"http:\/\/ow.ly\/rRndm\" target=\"_blank\">ici<\/a>.<\/p>\n<p><strong>Auteur \u00e0 contacter pour plus d&#8217;informations<\/strong><\/p>\n<p><a href=\"http:\/\/eaps-www.mit.edu\/paoc\/people\/julien-de-wit\" target=\"_blank\">Julien de Wit<\/a>\u00a0du\u00a0d\u00e9partement des sciences de la terre, de l&#8217;atmosph\u00e8re et des plan\u00e8tes du\u00a0Massachusetts Institute of Technology<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs peuvent maintenant estimer la masse d\u2019une exoplan\u00e8te juste en la regardant, ou plut\u00f4t en analysant la lumi\u00e8re passant \u00e0 travers son atmosph\u00e8re. Le principe de cette nouvelle technique se fonde sur le fait que les longueurs d\u2019onde de la lumi\u00e8re sont affect\u00e9es par la pression atmosph\u00e9rique qui elle-m\u00eame est li\u00e9e \u00e0 la masse [&hellip;]<\/p>\n","protected":false},"author":1,"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,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[531],"tags":[],"class_list":["post-117","post","type-post","status-publish","format-standard","hentry","category-paper-of-interest-fr"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-1T","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=117"}],"version-history":[{"count":2,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/117\/revisions"}],"predecessor-version":[{"id":121,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/117\/revisions\/121"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=117"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}