{"id":21566,"date":"2020-11-12T17:00:00","date_gmt":"2020-11-12T16:00:00","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=21566"},"modified":"2020-11-08T11:53:09","modified_gmt":"2020-11-08T10:53:09","slug":"des-centaines-de-millions-de-planetes-habitables-dans-notre-galaxie","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/des-centaines-de-millions-de-planetes-habitables-dans-notre-galaxie\/","title":{"rendered":"Des centaines de millions de plan\u00e8tes habitables dans notre galaxie"},"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\n<p>\u00c0 travers une nouvelle \u00e9tude, la\u00a0NASA\u00a0affirme qu\u2019il existerait potentiellement 300 millions de plan\u00e8tes habitables dans notre galaxie.<\/p>\n\n\n\n<p>Cette derni\u00e8re est bas\u00e9e sur les donn\u00e9es enregistr\u00e9es par le t\u00e9lescope Kepler, envoy\u00e9 dans l\u2019espace en 2009 avant de terminer sa mission fin 2018 pour cause de manque de carburant, dont l\u2019objectif principal \u00e9tait de d\u00e9tecter les exoplan\u00e8tes. Divulgu\u00e9e la semaine pass\u00e9e, elle d\u00e9montre que la moiti\u00e9 des \u00e9toiles qui ont temp\u00e9rature plus ou moins similaire \u00e0 celle du soleil pourraient \u00e9galement avoir\u00a0<em>\u00ab une structure rocheuse capable de supporter la pr\u00e9sence d\u2019eau \u00e0 sa surface. \u00bb<\/em>\u00a0Autre \u00e9l\u00e9ment important, toujours selon les recherches de l\u2019agence spatiale am\u00e9ricaine, au moins quatre de ces\u00a0plan\u00e8tes\u00a0seraient situ\u00e9es \u00e0 moins de 30 ann\u00e9es-lumi\u00e8re, et la plus proche se situerait m\u00eame \u00e0 environ 20 ann\u00e9es-lumi\u00e8re.<\/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\n\n\n<h5 class=\"wp-block-heading\">Des plan\u00e8tes potentiellement similaires \u00e0 la n\u00f4tre<\/h5>\n\n\n\n<p><em>\u00ab Bien que ce r\u00e9sultat soit loin d\u2019\u00eatre une valeur finale, et que l\u2019eau \u00e0 la surface d\u2019une plan\u00e8te ne soit qu\u2019un des nombreux facteurs qui permettent la vie, il est extr\u00eamement excitant d\u2019\u00eatre arriv\u00e9 \u00e0 cette conclusion avec une telle confiance et une telle pr\u00e9cision de calcul. Pour moi, ce r\u00e9sultat est un exemple de ce qu\u2019il est possible de d\u00e9couvrir en ayant un petit aper\u00e7u de ce qu\u2019il se passe au-del\u00e0 de notre syst\u00e8me solaire. Ce que nous voyons, c\u2019est que notre galaxie est fascinante, avec des mondes extraordinaires, et certains ne sont peut-\u00eatre pas tr\u00e8s diff\u00e9rents du n\u00f4tre \u00bb<\/em>\u00a0a d\u00e9clar\u00e9 Steve Bryson, auteur principal de l\u2019\u00e9tude et chercheur au Ames Research Center de la NASA (en Californie), \u00e0 travers un communiqu\u00e9.<\/p>\n\n\n\n<p>extrait et source <a href=\"https:\/\/www.demotivateur.fr\/article\/selon-une-nouvelle-etude-de-la-nasa-notre-galaxie-abriterait-environ-300-millions-de-planetes-habitables-22973\">https:\/\/www.demotivateur.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"21566\">(423)<\/p><!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>\u00c0 travers une nouvelle \u00e9tude, la\u00a0NASA\u00a0affirme qu\u2019il existerait potentiellement 300 millions de plan\u00e8tes habitables dans notre galaxie. Cette derni\u00e8re est&#8230;<\/p>\n","protected":false},"author":1,"featured_media":21567,"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":"Des centaines de millions de #plan\u00e8tes habitables dans notre #galaxie @laterredufuturcom 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}},"categories":[22],"tags":[333,359,125,362,1370,308],"class_list":["post-21566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-eau","tag-exoplanete","tag-galaxie","tag-habitable","tag-planetes","tag-vie","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/11\/exoplanetes-habitables.jpg?fit=1920%2C1080&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-5BQ","jetpack-related-posts":[{"id":1613,"url":"https:\/\/www.laterredufutur.com\/accueil\/2-milliards-de-planetes-terre-dans-notre-galaxie\/","url_meta":{"origin":21566,"position":0},"title":"2 milliards de plan\u00e8tes Terre dans notre galaxie","author":"Admin","date":"5 novembre 2013","format":false,"excerpt":"A l'heure o\u00f9 le film Gravity \u2013 qui raconte une exp\u00e9dition \u00e0 bord d'une navette spatiale qui tourne \u00e0 la catastrophe \u2013 fait salle comble et a d\u00e9j\u00e0 propuls\u00e9 plus d'un million de spectateurs fran\u00e7ais dans l'espace, une \u00e9tude estime qu'au moins 2 milliards de plan\u00e8tes de taille terrestre, en\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\/wordpress\/wp-content\/uploads\/2013\/11\/exoplanete-type-terre.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":19541,"url":"https:\/\/www.laterredufutur.com\/accueil\/60-milliards-de-planetes-habitables-dans-notre-galaxie\/","url_meta":{"origin":21566,"position":1},"title":"60 milliards de plan\u00e8tes habitables dans notre galaxie","author":"Admin","date":"9 septembre 2019","format":false,"excerpt":"Si l\u2019humanit\u00e9 doit un jour d\u00e9m\u00e9nager, elle aura l\u2019embarras du choix. Notre galaxie, la Voie lact\u00e9e, abriterait en effet plus de 60 milliard d\u2019exoplan\u00e8tes habitables. Le Kepler Spacecraft, d\u00e9partement de la Nasa charg\u00e9 de r\u00e9f\u00e9rencer les plan\u00e8tes habitables a publi\u00e9 une nouvelle \u00e9tude. Jusque l\u00e0, la communaut\u00e9 scientifique estimait que\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\/01\/exoplan%C3%A8te-ocean.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\/01\/exoplan%C3%A8te-ocean.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/exoplan%C3%A8te-ocean.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/exoplan%C3%A8te-ocean.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/exoplan%C3%A8te-ocean.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":21044,"url":"https:\/\/www.laterredufutur.com\/accueil\/il-y-a-des-milliards-de-terres-dans-notre-galaxie\/","url_meta":{"origin":21566,"position":2},"title":"Il y a des milliards de Terres dans notre galaxie","author":"Admin","date":"4 juillet 2020","format":false,"excerpt":"Selon de nouvelles recherches, il pourrait y avoir jusqu'\u00e0 six milliards de plan\u00e8tes semblables \u00e0 la Terre en orbite autour d'\u00e9toiles dans notre galaxie. Notre Voie lact\u00e9e compte jusqu'\u00e0 400 milliards d'\u00e9toiles, dont 7% de type G. Cela signifie que moins de six milliards d'\u00e9toiles peuvent avoir des plan\u00e8tes semblables\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\/03\/exoplanete-mondes-habitables.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\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":24992,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-centaines-de-millions-de-planetes-en-zone-habitable-graviteraient-autour-de-leurs-etoiles-dans-notre-voie-lactee\/","url_meta":{"origin":21566,"position":3},"title":"Des centaines de millions de plan\u00e8tes en zone habitable graviteraient autour de leurs \u00e9toiles dans notre Voie Lact\u00e9e","author":"Admin","date":"2 juin 2023","format":false,"excerpt":"Dans notre galaxie, la Voie Lact\u00e9e, la majorit\u00e9 des \u00e9toiles sont plus petites et plus froides que notre Soleil. Les \u00e9toiles les plus r\u00e9pandues ont ainsi une masse n'exc\u00e9dant pas la moiti\u00e9 de celle de notre Soleil. Des milliards de plan\u00e8tes gravitent autour de ces naines rouges communes. Pour recevoir\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\/03\/exoplanete-mondes-habitables.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\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":18741,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-millions-de-planetes-potentiellement-habitables-se-cacheraient-dans-notre-galaxie\/","url_meta":{"origin":21566,"position":4},"title":"Des millions de plan\u00e8tes potentiellement habitables se cacheraient dans notre galaxie","author":"Admin","date":"2 mai 2019","format":false,"excerpt":"Une nouvelle \u00e9tude estime qu\u2019une \u00e0 trois plan\u00e8tes habitables graviteraient autour de la plupart des \u00e9toiles de notre galaxie. Dans son immensit\u00e9, la Voie lact\u00e9e abrite des centaines de milliards d\u2019\u00e9toiles dont le Soleil fait partie. En ce sens, notre syst\u00e8me solaire n\u2019est pas le seul syst\u00e8me plan\u00e9taire \u00e0 se\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\/03\/exoplanete-mondes-habitables.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\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/exoplanete-mondes-habitables.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":10644,"url":"https:\/\/www.laterredufutur.com\/accueil\/planetes-habitables-les-decouvertes-de-kepler\/","url_meta":{"origin":21566,"position":5},"title":"Plan\u00e8tes habitables, les d\u00e9couvertes de Kepler","author":"Admin","date":"28 janvier 2016","format":false,"excerpt":"Sommes-nous seuls dans l'Univers ? \u00c0 partir des donn\u00e9es collect\u00e9es depuis 2009 par le t\u00e9lescope spatial Kepler, ce documentaire interroge la possibilit\u00e9 d'une vie extraterrestre dans notre galaxie. Notre galaxie, la Voie lact\u00e9e, comporte entre 200 et 300 milliards d'\u00e9toiles. Bon nombre d'entre elles ont dans leur orbite des plan\u00e8tes\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\/07\/telescope-kepler.jpg?fit=800%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/telescope-kepler.jpg?fit=800%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/telescope-kepler.jpg?fit=800%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/telescope-kepler.jpg?fit=800%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/21566","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=21566"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/21566\/revisions"}],"predecessor-version":[{"id":21568,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/21566\/revisions\/21568"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/21567"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=21566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=21566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=21566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}