{"id":11638,"date":"2016-04-02T18:27:36","date_gmt":"2016-04-02T16:27:36","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=11638"},"modified":"2016-04-02T18:27:36","modified_gmt":"2016-04-02T16:27:36","slug":"les-astronomes-decouvrent-une-planete-dans-un-systeme-detoiles-triple","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/les-astronomes-decouvrent-une-planete-dans-un-systeme-detoiles-triple\/","title":{"rendered":"Les astronomes d\u00e9couvrent une plan\u00e8te dans un syst\u00e8me d&rsquo;\u00e9toiles triple"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p style=\"text-align: justify;\">Alors que nous sommes ici sur Terre \u00e0 la recherche du\u00a0comment fonctionne notre propre Soleil, les astronomes viennent de trouver une plan\u00e8te stable dans un syst\u00e8me \u00e0 trois \u00e9toiles. La plan\u00e8te d\u00e9couverte r\u00e9cemment a \u00e9t\u00e9 baptis\u00e9e KELT-4AB, est la quatri\u00e8me plan\u00e8te jamais trouv\u00e9e qui poss\u00e8de\u00a0un syst\u00e8me d&rsquo;\u00e9toiles triple.<\/p>\n<p style=\"text-align: justify;\">Mais qu&rsquo;est ce que la\u00a0cela signifie r\u00e9ellement? Eh bien, en bref, si vous \u00e9tiez\u00a0sur la surface de la plan\u00e8te, en levant\u00a0imm\u00e9diatement les yeux, vous verriez\u00a0une tr\u00e8s grande \u00e9toile autour\u00a0de laquelle\u00a0la plan\u00e8te serait\u00a0en orbite, puis deux autres \u00e9toiles appara\u00eetraient. Cela\u00a0serait certainement un spectacle fantastique.<\/p>\n<p style=\"text-align: justify;\">Bien que les chercheurs connaissaient\u00a0le syst\u00e8me KELT depuis\u00a0un certain temps, ils pensaient\u00a0qu&rsquo;il ne contenait qu&rsquo;une seule \u00e9toile. Puis, avec d&rsquo;autres recherches, cela a augment\u00e9 en un syst\u00e8me binaire. Et maintenant, ils ont d\u00e9couvert que c&rsquo;\u00e9tait\u00a0un syst\u00e8me d&rsquo;\u00e9toiles triple, dans laquelle les plan\u00e8tes et \u00e9toiles sont\u00a0appell\u00e9es\u00a0KELT-A, KELT-B, vous avez probablement devin\u00e9, KELT-C. KELT-4AB orbitent autour environ une fois tous les trois jours. Alors que les \u00e9toiles KELT-B et KELT-C, la plan\u00e8te orbite une fois tous les 30 ans ou plus.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p style=\"text-align: justify;\">Pour \u00e9tudier le syst\u00e8me, l&rsquo;\u00e9quipe a utilis\u00e9 un\u00a0petit t\u00e9lescope (KELT), une paire de deux t\u00e9lescopes robotis\u00e9s. Bien qu&rsquo;ils ont r\u00e9ussi \u00e0 identifier le syst\u00e8me et la plan\u00e8te KELT-4AB, les astronomes sont toujours perplexes quant \u00e0 la fa\u00e7on dont la g\u00e9ante gazeuse, qui est d&rsquo;environ de la m\u00eame taille que Jupiter, \u00a0orbite autour du KELT-A de si pr\u00e8s. [ <a href=\"http:\/\/www.sciencealert.com\/astronomers-just-found-a-stable-planet-in-a-triple-star-system\" target=\"_blank\">ScienceAlert<\/a> ] <a href=\"http:\/\/iopscience.iop.org\/article\/10.3847\/0004-6256\/151\/2\/45\/meta;jsessionid=606A8277ADD32409AA04166D9EAE4CD9.c3\" target=\"_blank\">Rapport complet<\/a>.<\/p>\n<p style=\"text-align: justify;\">Traduction et adaptation de <a href=\"http:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">la Terre du Futur<\/a><\/p>\n<p style=\"text-align: justify;\">source :\u00a0<a href=\"http:\/\/climatologiageografica.com.br\/\" target=\"_blank\">http:\/\/climatologiageografica.com.br\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"11638\">(299)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Alors que nous sommes ici sur Terre \u00e0 la recherche du\u00a0comment fonctionne notre propre Soleil, les astronomes viennent de trouver&#8230;<\/p>\n","protected":false},"author":1,"featured_media":11639,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"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":"","jetpack_publicize_message":"Les astronomes d\u00e9couvrent une plan\u00e8te dans un syst\u00e8me d'\u00e9toiles triple @laterredufutur","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[22],"tags":[117,670,5695,5040,5696,1283,121,363,5697],"class_list":["post-11638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-espace","tag-etoile","tag-etoile-triple","tag-geante-gazeuse","tag-kelt","tag-orbite","tag-planete","tag-systeme-solaire","tag-taille","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/04\/planete-aux-3etoiles.jpg?fit=725%2C375&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-31I","jetpack-related-posts":[{"id":12065,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-satellites-du-systeme-solaire-documentaire-astronomie\/","url_meta":{"origin":11638,"position":0},"title":"Les Satellites Du Syst\u00e8me Solaire [Documentaire Astronomie]","author":"Admin","date":"13 mai 2016","format":false,"excerpt":"Un satellite naturel est un objet c\u00e9leste en orbite autour d'une plan\u00e8te ou d'un autre objet plus grand que lui-m\u00eame qui n'est pas d'origine humaine, par opposition aux satellites artificiels. Ils peuvent \u00eatre de grosse taille et ressembler \u00e0 de petites plan\u00e8tes. De tels objets sont \u00e9galement appel\u00e9s lunes, par\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/terre_vue_de_la_lune.jpg?fit=690%2C439&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/terre_vue_de_la_lune.jpg?fit=690%2C439&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/terre_vue_de_la_lune.jpg?fit=690%2C439&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":23748,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-autre-planete-decouverte-en-orbite-autour-de-proxima-du-centaure\/","url_meta":{"origin":11638,"position":1},"title":"Une autre plan\u00e8te d\u00e9couverte en orbite autour de Proxima du Centaure","author":"Admin","date":"14 f\u00e9vrier 2022","format":false,"excerpt":"Une troisi\u00e8me exoplan\u00e8te a \u00e9t\u00e9 d\u00e9couverte autour de l'\u00e9toile la plus proche du Soleil, la naine rouge Proxima Centauri. Le syst\u00e8me triple d'Alpha du Centaure fait r\u00eaver les exobiologistes et, en particulier, les auteurs de science-fiction depuis longtemps. Non seulement parce qu'il s'agit des \u00e9toiles les plus proches du Soleil\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/02\/Proxima-Centauri.jpg?fit=1024%2C665&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/02\/Proxima-Centauri.jpg?fit=1024%2C665&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/02\/Proxima-Centauri.jpg?fit=1024%2C665&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/02\/Proxima-Centauri.jpg?fit=1024%2C665&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1017,"url":"https:\/\/www.laterredufutur.com\/accueil\/kepler-30-un-systeme-qsolaireq-etranger-qui-ressemble-au-notre\/","url_meta":{"origin":11638,"position":2},"title":"Kepler-30, un syst\u00e8me \u00ab\u00a0solaire\u00a0\u00bb \u00e9tranger qui ressemble au n\u00f4tre","author":"Admin","date":"19 ao\u00fbt 2012","format":false,"excerpt":"Des astronomes ont d\u00e9couvert un syst\u00e8me solaire \u00e9tranger dont les plan\u00e8tes sont organis\u00e9es de la m\u00eame fa\u00e7on que dans notre propre syst\u00e8me. Cette d\u00e9couverte laisse \u00e0 penser que la plupart des syst\u00e8mes plan\u00e9taires commencent par ressembler au n\u00f4tre, indiquent les scientifiques.","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"kepler 30","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2012\/08\/kepler30-1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1886,"url":"https:\/\/www.laterredufutur.com\/accueil\/aurait-on-decouvert-la-premiere-planete-habitable\/","url_meta":{"origin":11638,"position":3},"title":"D\u00e9couverte de la premi\u00e8re exoplan\u00e8te habitable de m\u00eame taille que la Terre","author":"Admin","date":"27 mars 2014","format":false,"excerpt":"NASA : d\u00e9couverte de la premi\u00e8re exoplan\u00e8te d'une taille similaire \u00e0 la Terre dans une zone habitable.\u00a0La d\u00e9couverte excite la communaut\u00e9 scientifique depuis quelques jours : une \u00e9quipe d'astronomes a identifi\u00e9 la premi\u00e8re exoplan\u00e8te d'une taille similaire \u00e0 la Terre situ\u00e9e dans la zone habitable de son \u00e9toile. Les scientifiques\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":23999,"url":"https:\/\/www.laterredufutur.com\/accueil\/notre-systeme-solaire-possede-bien-la-planete-x\/","url_meta":{"origin":11638,"position":4},"title":"Notre syst\u00e8me solaire poss\u00e8de bien la Plan\u00e8te X","author":"Admin","date":"30 avril 2022","format":false,"excerpt":"Un nouveau sc\u00e9nario explique la position actuelle des quatre plan\u00e8tes g\u00e9antes de notre Syst\u00e8me solaire. Des quatre connues. Parce qu'il pourrait bien en exister une cinqui\u00e8me ! Celle que l'on nomme la plan\u00e8te X. Loin, tr\u00e8s loin au-del\u00e0 de l'orbite de Neptune. Notre Syst\u00e8me solaire. Les astronomes l'\u00e9tudient depuis bien\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/09\/planete-x.jpg?fit=1024%2C576&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/09\/planete-x.jpg?fit=1024%2C576&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/09\/planete-x.jpg?fit=1024%2C576&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/09\/planete-x.jpg?fit=1024%2C576&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":16656,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-nouvelle-planete-de-la-taille-de-la-terre-a-ete-decouverte\/","url_meta":{"origin":11638,"position":5},"title":"Une nouvelle plan\u00e8te de la taille de la Terre a \u00e9t\u00e9 d\u00e9couverte","author":"Admin","date":"1 juin 2018","format":false,"excerpt":"Une nouvelle plan\u00e8te de la taille de la Terre vient d'\u00eatre d\u00e9couverte, et ce monde potentiellement habitable, le plus proche de nous, orbite autour d'une \u00e9toile \u00ab calme \u00bb et propice \u00e0 la vie. 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