{"id":24647,"date":"2023-01-12T17:00:19","date_gmt":"2023-01-12T16:00:19","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=24647"},"modified":"2023-01-11T13:40:35","modified_gmt":"2023-01-11T12:40:35","slug":"decouverte-dune-nouvelle-exoplanete-habitable","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-dune-nouvelle-exoplanete-habitable\/","title":{"rendered":"D\u00e9couverte d&rsquo;une nouvelle exoplan\u00e8te habitable"},"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>TOI 700 e est \u00e0 peu pr\u00e8s de la m\u00eame taille que la Terre, et a \u00e9t\u00e9 d\u00e9couverte non loin d&rsquo;une autre plan\u00e8te, aussi situ\u00e9e dans une zone habitable. TOI 700 e, une exoplan\u00e8te potentiellement \u00ab\u00a0habitable\u00a0\u00bb d\u00e9couverte. Des scientifiques travaillant pour la mission TESS (Transiting Exoplanet Survey Satellite) de l&rsquo;agence spatiale am\u00e9ricaine (Nasa), ont annonc\u00e9 mardi avoir identifi\u00e9 une nouvelle exoplan\u00e8te \u00e0 environ 100 ann\u00e9es lumi\u00e8res de la Terre, dans la constellation de la Dorade.<\/p>\n<p>Appel\u00e9e TOI 700 e, cette exoplan\u00e8te se trouve dans la m\u00eame constellation que trois exoplan\u00e8tes, d\u00e9j\u00e0 identifi\u00e9es par cette mission, qui tournent autour d&rsquo;une \u00e9toile naine nomm\u00e9e TOI 700: TOI 700 b, TOI 700 c et TOI 700 d.<\/p>\n<div class=\"embed-twitter\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Discovery Alert \ud83d\udce3 <br \/>A second Earth-sized planet is found lurking in a nearby star\u2019s habitable zone. It joins three other planets in a red dwarf system 100 light-years away in the Southern constellation Dorado. <a href=\"https:\/\/t.co\/82uDGPvgUt\">https:\/\/t.co\/82uDGPvgUt<\/a> <a href=\"https:\/\/t.co\/oFRy2MQhNo\">pic.twitter.com\/oFRy2MQhNo<\/a><\/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>&mdash; ARCHIVED NASA Exoplanets (@NASAExoplanets) <a href=\"https:\/\/twitter.com\/NASAExoplanets\/status\/1612885376019927056?ref_src=twsrc%5Etfw\">January 10, 2023<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<p>\u00ab\u00a0L&rsquo;un des rares syst\u00e8mes avec plusieurs plan\u00e8tes en zones habitables\u00a0\u00bb<br \/>\nTOI 700 e fait 95% de la taille de la Terre et sa surface \u00ab\u00a0est probablement rocheuse\u00a0\u00bb, selon les donn\u00e9es r\u00e9colt\u00e9es par les scientifiques. L&rsquo;exoplan\u00e8te e est environ 10% plus petite que la d, et n&rsquo;avait pas \u00e9t\u00e9 rep\u00e9r\u00e9e lors des premi\u00e8res observations. Son \u00ab\u00a0signal \u00e9tait si faible que nous avions besoin d&rsquo;une ann\u00e9e suppl\u00e9mentaire d&rsquo;observations de transit pour l&rsquo;identifier\u00a0\u00bb, explique Ben Hord, chercheur \u00e0 la Nasa.<\/p>\n<p>Il est \u00e9galement pr\u00e9cis\u00e9 que cette nouvelle exoplan\u00e8te orbite autour de son \u00e9toile en 28 jours. La Terre fait elle le tour du Soleil en 365 jours.<\/p>\n<p>sources : <a href=\"https:\/\/www.msn.com\/fr-fr\/actualite\/technologie-et-sciences\/d%C3%A9couverte-dune-nouvelle-plan%C3%A8te-potentiellement-habitable\/ar-AA16cU61\" rel=\"noopener\" target=\"_blank\">https:\/\/www.msn.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"24647\">(302)<\/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>TOI 700 e est \u00e0 peu pr\u00e8s de la m\u00eame taille que la Terre, et a \u00e9t\u00e9 d\u00e9couverte non loin&#8230;<\/p>\n","protected":false},"author":1,"featured_media":24648,"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_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":"D\u00e9couverte d'une nouvelle exoplan\u00e8te habitable @laterredufutur.com Terra Projects","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},"jetpack_post_was_ever_published":false},"categories":[22],"tags":[359,362,364,7975],"class_list":["post-24647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-exoplanete","tag-habitable","tag-naine-rouge","tag-toi-700","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/01\/toi-700-exoplanete-habitable.jpg?fit=1431%2C805&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-6px","jetpack-related-posts":[{"id":21641,"url":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-de-la-premiere-exoplanete-toi-700d-de-la-taille-de-la-terre-dans-une-zone-habitable\/","url_meta":{"origin":24647,"position":0},"title":"D\u00e9couverte de la premi\u00e8re exoplan\u00e8te (TOI-700d) de la taille de la Terre dans une zone habitable","author":"Admin","date":"30 novembre 2020","format":false,"excerpt":"TESS, le satellite Transiting Exoplanet Survey, a \u00e9t\u00e9 lanc\u00e9 en 2018 dans le but de d\u00e9couvrir de petites plan\u00e8tes autour des \u00e9toiles les plus proches du Soleil, des \u00e9toiles suffisamment brillantes pour permettre le suivi des caract\u00e9risations des masses et des atmosph\u00e8res de leurs plan\u00e8tes.\u00a0TESS a jusqu'\u00e0 pr\u00e9sent d\u00e9couvert dix-sept\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\/2020\/11\/Exoplanete-TOI700d.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/11\/Exoplanete-TOI700d.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/11\/Exoplanete-TOI700d.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/11\/Exoplanete-TOI700d.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/11\/Exoplanete-TOI700d.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":20771,"url":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-de-kepler-1649c-une-exoplanete-tres-comparable-a-la-terre\/","url_meta":{"origin":24647,"position":1},"title":"D\u00e9couverte de Kepler-1649c, une exoplan\u00e8te tr\u00e8s comparable \u00e0 la Terre ?","author":"Admin","date":"17 avril 2020","format":false,"excerpt":"Existe-t-il une seconde Terre? Malgr\u00e9 sa fin d'exploitation annonc\u00e9e en 2018, Kepler, le t\u00e9lescope spatial de la Nasa, a laiss\u00e9 un important h\u00e9ritage aux scientifiques de l'agence spatiale am\u00e9ricaine. Et parmi ces donn\u00e9es, l'\u00e9tude des 2681 exoplan\u00e8tes observ\u00e9es durant ses neuf ann\u00e9es de services. Kepler-1649c fait partie de cette longue\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\/2020\/04\/Kepler-1649c-scaled.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/04\/Kepler-1649c-scaled.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/04\/Kepler-1649c-scaled.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/04\/Kepler-1649c-scaled.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/04\/Kepler-1649c-scaled.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":12608,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-telescope-kepler-decouvre-une-exoplanete-de-la-taille-de-jupiter-et-potentiellement-habitable\/","url_meta":{"origin":24647,"position":2},"title":"Le t\u00e9lescope Kepler d\u00e9couvre une exoplan\u00e8te de la taille de Jupiter et potentiellement habitable","author":"Admin","date":"24 juin 2016","format":false,"excerpt":"Kepler-1647b \u00e9volue en orbite autour de deux \u00e9toiles et \u00e0 une distance de ses astres qui la rend potentiellement habitable... Le t\u00e9lescope orbital am\u00e9ricain Kepler vient de d\u00e9couvrir une nouvelle plan\u00e8te. Baptis\u00e9e Kepler-1647b, cette exoplan\u00e8te pr\u00e9sente d\u2019abord la particularit\u00e9 d\u2019\u00eatre aussi grande que Jupiter, initialement la plus grosse plan\u00e8te de\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\/2016\/06\/Kepler-1647b.jpg?fit=800%2C480&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/06\/Kepler-1647b.jpg?fit=800%2C480&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/06\/Kepler-1647b.jpg?fit=800%2C480&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/06\/Kepler-1647b.jpg?fit=800%2C480&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":15092,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-nouvelle-exoplanete-pourrait-etre-la-meilleure-candidate-pour-la-recherche-de-traces-de-vie\/","url_meta":{"origin":24647,"position":3},"title":"Une nouvelle exoplan\u00e8te pourrait \u00eatre la meilleure candidate pour la recherche de traces de vie","author":"Admin","date":"23 avril 2017","format":false,"excerpt":"Une exoplan\u00e8te en orbite autour d'une \u00e9toile de type naine rouge situ\u00e9e \u00e0 40 ann\u00e9es lumi\u00e8re de la Terre pourrait bien remporter \u00e0 son tour le titre de \"meilleure candidate pour la recherche de traces de vie au-del\u00e0 du Syst\u00e8me Solaire\". Une \u00e9quipe internationale d'astronomes compos\u00e9e de scientifiques de l'Institut\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\/2017\/04\/exoplanete.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/exoplanete.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/exoplanete.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/exoplanete.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/exoplanete.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":19307,"url":"https:\/\/www.laterredufutur.com\/accueil\/2-exoplanetes-decouvertes-dans-la-zone-habitable-seulement-a-12-5-annees-lumieres-de-la-terre\/","url_meta":{"origin":24647,"position":4},"title":"2 exoplan\u00e8tes d\u00e9couvertes dans la zone habitable seulement \u00e0 12.5 ann\u00e9es lumi\u00e8res de la Terre","author":"Admin","date":"21 juillet 2019","format":false,"excerpt":"Des chercheurs annoncent avoir identifi\u00e9 deux nouvelles exoplan\u00e8tes semblables \u00e0 la Terre autour d\u2019une \u00e9toile naine rouge, \u00e0 12,5 ann\u00e9es-lumi\u00e8re. D\u2019un point de vue astronomique, c\u2019est la porte \u00e0 c\u00f4t\u00e9. Notre carnet d\u2019adresses cosmique se remplit de deux nouvelles figurantes. Une \u00e9quipe d\u2019astronomes de l\u2019Universit\u00e9 de G\u00f6ttingen en Allemagne, et\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\/2019\/06\/nouvelles-terres-exoplanetes.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/06\/nouvelles-terres-exoplanetes.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/06\/nouvelles-terres-exoplanetes.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/06\/nouvelles-terres-exoplanetes.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/06\/nouvelles-terres-exoplanetes.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":23748,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-autre-planete-decouverte-en-orbite-autour-de-proxima-du-centaure\/","url_meta":{"origin":24647,"position":5},"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":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/24647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=24647"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/24647\/revisions"}],"predecessor-version":[{"id":24649,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/24647\/revisions\/24649"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/24648"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=24647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=24647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=24647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}